Philips Hue · Hue Series

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Hue Wall Switch Module

Philips Hue Hue Series Introduced circa 2021

Philips Hue Wall Switch Module — converts any dumb switch to smart.

Common Applications

Mounts behind an existing wall switch. Keeps constant power to Hue bulbs while making the existing physical switch a smart trigger. Solves the biggest Hue problem: family members turning off the wall switch and killing the smart bulbs. Zigbee connected to Hue Bridge.

Openness & Hackability

Zigbee2MQTT Compatible

Standard Zigbee. Works with Z2M. Installs behind the wall plate — the existing switch becomes a Zigbee button.

Specifications

Battery Type
CR2032 coin cell (multi-year) — NO neutral / no hardwiring required
Installation
Behind existing wall switch (in wall box); 1 or 2 switch inputs
Smart Home Integrations
Hue Bridge, Home Assistant, Zigbee2MQTT
Model
RDM002
Pn note
Corrected: battery-powered (CR2032), retrofit behind existing switch, no neutral. Stored Hardwired/neutral-required was wrong (opposite of the product feature).
Protocol
Zigbee 3.0

Installation Quick Reference

Setup: Pair with your hub or phone via Zigbee 3.0. Most smart buttons support single press, double press, and long press for three different actions.

Battery: Uses CR2032 coin cell (multi-year) — NO neutral / no hardwiring required battery. Expected life: 1-2 years. Low battery notification via the app.

Dimensions

Troubleshooting

Not responding to input

Check wiring continuity with a multimeter. Verify the contact block is properly seated. Inspect terminals for loose connections.

Where to Buy

Price range

$34.54 — $170.03

across 2 distributors

Quick Specs

Battery Type
CR2032 coin cell (multi-year) — NO neutral / no hardwiring required
Installation
Behind existing wall switch (in wall box); 1 or 2 switch inputs
Smart Home Integrations
Hue Bridge, Home Assistant, Zigbee2MQTT
Model
RDM002
Pn note
Corrected: battery-powered (CR2032), retrofit behind existing switch, no neutral. Stored Hardwired/neutral-required was wrong (opposite of the product feature).

What People Are Saying

“Standard Zigbee. Works with Z2M. Installs behind the wall plate — the existing switch becomes a Zigbee button.”

Reddit r/homeassistant 16 upvotes View thread →