Feature:1. Mini BodyDesigned mini body, which suits for most of amounting boxes, switches and wall sockets.2. Support Two-way ControlThis kind of switch module can achieve 2-way control after the simple physical wiring. And you can still manually control the light by the original switch.3. APP Remote ControlIt is convenient to connect the module to Smart Life APP via WiFi connection. After you connect the switch module to APP, you can remote control it anywhere and anytime, which provide a comfortable and smart life.4. Voice ControlThis switch module can work with Alexa, Home Assistant via simple voice command, which is really convenient to control the appliances on/off when you are busy.5. Relay Status SettingDon\u0027t worry about power failure, you can set this switch to restore the state after power on.Specification:Designed mini body, which is working with most of amounting boxes, switches and wall sockets. It is not only small, but also powerful, it can be used for most of home appliances and lightings.Features:Mini BodyDesigned mini body, which suits for most of amounting boxes, switches and wall sockets.Support Two-way ControlThis kind of switch module can achieve 2-way control after the simple physical wiring. And you can still manually control the light by the original switch.APP Remote ControlIt is convenient to connect the module to Smart Life APP via WiFi connection. After you connect the switch module to APP, you can remote control it anywhere and anytime, which provide a comfortable and smart life.Voice ControlThis switch module can work with Alexa, Google Home Assistant via simple voice command, which is really convenient to control the appliances on/off when you are busy.Relay Status SettingDon't worry about power failure, you can set this switch to restore the state after power on.Specifications:Type: 1CH Zigbee Switch Module / 2CH Zigbee Switch Module / 3CH Zigbee Switch Module / 4CH Zigbee Switch Module (Optional)Max. Load: 1CH: LED 300W, 10A 2CH: LED 2*150W, 2*5A 3CH: LED 3*150W, 3*3.3A 4CH: LED 4*150W, 4*2.5AMaterial: ABSVoltage: AC100-240V, 50/60HzOperation Frequency: 2.405GHz-2.480GHzOperation Temp.: -10~40Protocol: Zigbee 3.0Operation Range: <100mIP Rating: IP20Item Size: 39 * 39 * 18mm / 1.54 * 1.54 * 0.71inItem Weight: 28g / 0.98ozPackage Weight: 36g / 1.27ozPackage Size: 6 * 4 * 2.3cm / 2.36 * 1.57 * 0.91inPackage List:1 * Smart Module1 * User Manual (English)Package List:1 * Smart Module1 * User Manual (English)