Specification Model WSM16Model 1 2 3 4CH Wi Fi Switch ModuleVoltage AC100 240V 50 60HzMax Load 1CH LED 800W 16A2CH LED 2x150W 2x5A3CH LED 3x150W 3×3 3A4CH LED 4x150W 4×2 5ADimensions 39x39x19mmFeatures 1 Ultra Mini Size Fits into 95 of installation boxes on the market 2 Control Methods Compatible with Tuya and SmartLife apps Amazon Alexa and Google Home for app and voice control 3 Remote Control Manage the light switch from anywhere or anytime via your phone 3 Timing and Scheduling Set timers schedules and countdowns to automate light usage 4 Dual Way Control Allows upgrade without changing the wiring design of the house 5 Multiple Switch Types Compatible with rocker switch rocker switch synchronous state and self reset switch 6 Voice Control Work with Amazon Alexa and Google Home Package Include 1 x Wi Fi DIY Light Switch Module