1. Real-time monitoring of the voltage, current and power generated and consumed by each channel in kilowatt-hours 2. Monitor the working status of the device 3. Support setting valve values and buzzer alarms 4. Simple and safe installation Name: WiFi smart two-way power monitor Supported APP: Smart Life / Tuya Smart Rated Voltage: AC 100-240V 50/60Hz Measurable Current Range: 0.2A-80A WiFi Frequency: 2.4GHZ Ambient Temperature Range:-10C ~ 55C The printing/appearance from batch to batch, but will not affect the use Colour:White Material:ABS Specification: B: 2 Channels - 2CT Package Contents: 1 x Tuya WIFI Smart Energy Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.