Smart home tech, weighed fairly.

The Best Z-Wave Relays and In-Wall Modules

Hidden Z-Wave relays for lights, fans, garage doors, and fireplaces, ranked.

We pulled the Z-Wave relays and in-wall modules on Amazon and scored them on rating, review volume, and features: 800 Series Long Range, dry contacts, and power metering.

Prices, ratings, and review counts captured from Amazon on 2026-10-04.

Our picks

Best Overall Zooz Z-Wave Long Range MultiRelay ZEN16 800LR for Garage Doors, Sprinklers, Gas Fireplace; 3 Dry Contact Relays (15A, 15A, 20A); 12-24 V AC/DC or USB C Power; Signal Repeater; Hub Required
Zooz
Zooz ZEN16 MultiRelay 800LR
4.6 (507)

Three dry-contact relays for garage doors, sprinklers, or a gas fireplace, rated 4.6 stars by 507 buyers.

$42.95
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Best for Light Switches Zooz 700 Series Z-Wave Long Range Smart Relay ZEN51 | Installs Behind Wall Switch Or At the Light | Compatible with SmartThings, Hubitat, and Home Assistant | Z-Wave Hub Required (Sold Separately)
Zooz
Zooz ZEN51 relay
4.2 (136)

Hides behind your existing switch, works in 3-way setups, and has a no-neutral option.

$37.95
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Best With Power Metering Shelly Wave 2PM US LR UL Smart Switch Relay, 2-Channel 16 A
Shelly
Shelly Wave 2PM US LR
4.5 (17)

Two UL-certified 16 A channels with power metering and Long Range.

$45.99
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Best for Gates and Garages Zooz Z-Wave Long Range Low Voltage XS Relay ZEN58 800LR | Z-Wave Hub Required (Sold Separately)
Zooz
Zooz ZEN58 XS low-voltage relay
4.8 (16)

An extra-small low-voltage dry-contact relay rated 4.8 stars.

$32.95
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Side-by-side

Swipe the table sideways to see every column.

#RelayPriceRatingReviewsWorks withChannelsLoadChipNeutralScore
1Zooz ZEN16 MultiRelay 800LR$42.954.6507315 A, 15 A, 20 A dry contact800 Series LRNot needed (12-24 V or USB-C)91
2Zooz ZEN17 800LR$45.754.51852 outputs + 2 inputs20 A NO, 10 A NC800 Series LRNot needed (12-24 V or USB-C)85
3Zooz ZEN51 relay$37.954.21361Dry contact700 Series LRRequired at the relay location75
4Zooz ZEN52 double relay$39.954.31082Not stated in bullets700 Series LRRequired74
5Shelly Wave 2PM US LR$45.994.5172Up to 14-16 AZ-Wave Long RangeNot stated in bullets73
6Zooz ZEN58 XS low-voltage relay$32.954.81613 A, 0-240 V dry contact800 Series LRNot needed70
7Shelly Wave 1 US LR$39.994.520115 A dry contactZ-Wave Long RangeNot stated in bullets69
8Enerwave Z-Wave Plus relay$42.804.1267110 A, 120-277 VACZ-Wave PlusRequired63
9Shelly Wave 1 Mini US LR$35.994.11118 A dry contactZ-Wave Long RangeNot stated in bullets62
10Shelly Wave 1PM Mini US LR$35.993.8121Not stated in bulletsZ-Wave Long RangeNot stated in bullets59

Works with: hover or tap an icon for the system name. A system is shown when it supports the product directly or through the hub the listing requires.

The full ranking

Scored out of 100: 45% customer rating, 30% review volume, 25% features.

#1
Zooz Z-Wave Long Range MultiRelay ZEN16 800LR for Garage Doors, Sprinklers, Gas Fireplace; 3 Dry Contact Relays (15A, 15A, 20A); 12-24 V AC/DC or USB C Power; Signal Repeater; Hub Required
Best Overall
Zooz

Zooz Z-Wave Long Range MultiRelay ZEN16 800LR for Garage Doors, Sprinklers, Gas Fireplace; 3 Dry Contact Relays (15A, 15A, 20A); 12-24 V AC/DC or USB C Power; Signal Repeater; Hub Required

4.6 507 reviews
Score 91/100
$42.95
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50+ bought in past month

The Swiss Army knife of Z-Wave relays: three dry contacts for garage doors, sprinklers, and fireplaces.

Channels
3
Load rating
15 A, 15 A, 20 A dry contact
Z-Wave chip
800 Series LR
Extras
Optional wall switch inputs
Neutral
Not needed (12-24 V or USB-C)

Pros

  • 3 independent dry-contact relays
  • Controls up to 3 garage doors
  • 4.6 stars from 507 reviews
  • Long Range

Cons

  • Low-voltage power supply sold separately
  • Not for switching lights in a wall box
  • $42.95
#2
Zooz Z-Wave Long Range Relay ZEN17 800LR for Awnings, Garage Doors, Sprinklers, and More | 2 x NO-C-NC Relays (20A, 10A) | Hub Required (Compatible with Z-Box, Home Assistant, and Hubitat)
Zooz

Zooz Z-Wave Long Range Relay ZEN17 800LR for Awnings, Garage Doors, Sprinklers, and More | 2 x NO-C-NC Relays (20A, 10A) | Hub Required (Compatible with Z-Box, Home Assistant, and Hubitat)

4.5 185 reviews
Score 85/100
$45.75
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100+ bought in past month

Two relays plus two sensor inputs, ideal for a garage door with its own position sensor.

Channels
2 outputs + 2 inputs
Load rating
20 A NO, 10 A NC
Z-Wave chip
800 Series LR
Extras
Sensor inputs
Neutral
Not needed (12-24 V or USB-C)

Pros

  • 2 relays and 2 inputs
  • NO and NC contacts
  • 4.5 stars, 100+ bought in the past month

Cons

  • Power supply sold separately
  • $45.75
  • Needs some wiring know-how
#3
Zooz 700 Series Z-Wave Long Range Smart Relay ZEN51 | Installs Behind Wall Switch Or At the Light | Compatible with SmartThings, Hubitat, and Home Assistant | Z-Wave Hub Required (Sold Separately)
Best for Light Switches
Zooz

Zooz 700 Series Z-Wave Long Range Smart Relay ZEN51 | Installs Behind Wall Switch Or At the Light | Compatible with SmartThings, Hubitat, and Home Assistant | Z-Wave Hub Required (Sold Separately)

4.2 136 reviews
Score 75/100
$37.95
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50+ bought in past month

Keeps your favorite switch and adds Z-Wave behind it, even in 3-way setups.

Channels
1
Load rating
Dry contact
Z-Wave chip
700 Series LR
Extras
3-way compatible
Neutral
Required at the relay location

Pros

  • Works with your existing switch style
  • 3-way compatible
  • Can go at the light if the switch box has no neutral

Cons

  • 4.2 stars
  • Mechanical or momentary switches only
  • Only 136 reviews
#4
Zooz 700 Series Z-Wave Long Range Double Relay ZEN52 | Control 2 Lights Individually, Signal Repeater | Works with SmartThings, Hubitat, and Home Assistant (JS) | Z-Wave Hub Required (Sold Separately)
Zooz

Zooz 700 Series Z-Wave Long Range Double Relay ZEN52 | Control 2 Lights Individually, Signal Repeater | Works with SmartThings, Hubitat, and Home Assistant (JS) | Z-Wave Hub Required (Sold Separately)

4.3 108 reviews
Score 74/100
$39.95
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Two independently controlled lights from one tiny relay in a double-gang box.

Channels
2
Load rating
Not stated in bullets
Z-Wave chip
700 Series LR
Extras
Signal repeater, 3-way compatible
Neutral
Required

Pros

  • Controls 2 loads
  • 1.5 x 1.4 x 0.7 in.
  • 3-way compatible

Cons

  • Neutral required
  • Only 108 reviews
  • $39.95
#5
Shelly Wave 2PM US LR UL Smart Switch Relay, 2-Channel 16 A
Best With Power Metering
Shelly

Shelly Wave 2PM US LR UL Smart Switch Relay, 2-Channel 16 A

4.5 17 reviews
Score 73/100
$45.99
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Two channels with power metering and UL certification, for appliances and lights.

Channels
2
Load rating
Up to 14-16 A
Z-Wave chip
Z-Wave Long Range
Extras
Power metering, UL certified
Neutral
Not stated in bullets

Pros

  • Power metering per channel
  • UL certified
  • Works with any Z-Wave gateway

Cons

  • Only 17 reviews
  • $45.99
  • Neutral requirement isn't stated
#6
Zooz Z-Wave Long Range Low Voltage XS Relay ZEN58 800LR | Z-Wave Hub Required (Sold Separately)
Best for Gates and Garages
Zooz

Zooz Z-Wave Long Range Low Voltage XS Relay ZEN58 800LR | Z-Wave Hub Required (Sold Separately)

4.8 16 reviews
Score 70/100
$32.95
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50+ bought in past month

An extra-small dry-contact relay for gates, garage doors, and low-voltage loads.

Channels
1
Load rating
3 A, 0-240 V dry contact
Z-Wave chip
800 Series LR
Extras
Extra small
Neutral
Not needed

Pros

  • Fits shallow, crowded boxes
  • Switch input for manual control
  • 4.8 stars

Cons

  • 3 A limit
  • Only 16 reviews
  • You need to understand dry contacts
#7
Shelly Wave 1 US LR UL Z-Wave Smart Switch Relay, 1-Channel 15A
Shelly

Shelly Wave 1 US LR UL Z-Wave Smart Switch Relay, 1-Channel 15A

4.5 20 reviews
Score 69/100
$39.99
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50+ bought in past month

A UL-certified 15 A dry-contact relay with Long Range.

Channels
1
Load rating
15 A dry contact
Z-Wave chip
Z-Wave Long Range
Extras
UL certified
Neutral
Not stated in bullets

Pros

  • 15 A
  • Dry contacts
  • UL certified
  • 4.5 stars

Cons

  • Only 20 reviews
  • $39.99
  • Neutral requirement isn't stated
#8
ENERWAVE Z-Wave Plus Relay, Hidden Smart Switch Wireless Remote Control to Lights and Ceiling Fans, 120-277VAC, 10A, Neutral Wire Required, ZWN-RSM1-PLUS, Black
Enerwave

ENERWAVE Z-Wave Plus Relay, Hidden Smart Switch Wireless Remote Control to Lights and Ceiling Fans, 120-277VAC, 10A, Neutral Wire Required, ZWN-RSM1-PLUS, Black

4.1 267 reviews
Score 63/100
$42.80
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An older Z-Wave Plus relay with the most reviews here.

Channels
1
Load rating
10 A, 120-277 VAC
Z-Wave chip
Z-Wave Plus
Extras
Lights and fans
Neutral
Required

Pros

  • 267 reviews
  • Up to 277 VAC
  • Lights and fans

Cons

  • Older Z-Wave Plus, no Long Range
  • 4.1 stars
  • Neutral required
#9
Shelly Wave 1 Mini US LR Smart Switch Relay, 1-Channel 8 A
Shelly

Shelly Wave 1 Mini US LR Smart Switch Relay, 1-Channel 8 A

4.1 11 reviews
Score 62/100
$35.99
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A very small relay for crowded switch boxes and light fixtures.

Channels
1
Load rating
8 A dry contact
Z-Wave chip
Z-Wave Long Range
Extras
Smallest Z-Wave LR relay, per Shelly
Neutral
Not stated in bullets

Pros

  • Very small
  • Dry contacts
  • Sunset-based schedules

Cons

  • 8 A
  • Only 11 reviews
  • 4.1 stars
#10
Shelly Wave 1PM Mini US LR Z-Wave Smart Switch Relay
Shelly

Shelly Wave 1PM Mini US LR Z-Wave Smart Switch Relay

3.8 12 reviews
Score 59/100
$35.99
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The tiny Shelly with power metering, to see what a light or appliance uses.

Channels
1
Load rating
Not stated in bullets
Z-Wave chip
Z-Wave Long Range
Extras
Power metering
Neutral
Not stated in bullets

Pros

  • Power metering
  • Very small
  • Long Range

Cons

  • 3.8 stars from 12 reviews
  • Load rating isn't in the bullets
  • $35.99

Buyer's guide

What does a smart relay do?

It hides behind a wall switch, inside a fan canopy, or in an appliance and switches the power, so you keep your existing switch and add smart control. Dry-contact relays can also trigger garage doors, gas fireplaces, and boilers.

Do I need a neutral wire?

Most relays do. Check your switch box for a bundle of white wires before buying. A few models work without a neutral, and the table notes which.

Is it safe to install myself?

Only if you're comfortable with household wiring and turn the breaker off first. If you're not sure, have an electrician install it. Never exceed the relay's amp rating.

More Z-Wave reviews

Z-Wave light switches →Z-Wave dimmers →Z-Wave smart plugs →Z-Wave door and window sensors →Z-Wave motion sensors →Z-Wave leak sensors →Z-Wave temperature and humidity sensors →Z-Wave smart locks →Z-Wave thermostats →Z-Wave scene controllers and remotes →Z-Wave fan controls →Z-Wave in-wall outlets →Z-Wave hubs and controllers →

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