Model:Smart Home Power Monitor Voltage:AC100-240V 50/60Hz Max. load 2CH:2x(0.2-80A) Power Detection Accuracy:±2% Wi-Fi Frequency:2.412GHz-2.484GHz WiFi Protocol:IEEE 802.11b/g Operation Temp.:-10℃-40℃ Operation Range:Less than 100m IP Rating: IP20 Notice: 1. Smart scene function can only be set in TuyaSmart app. 2. CT clamps can only be clipped onto single-phase wires (L line or N line). 3. The energy monitoring is for the appliances in whole room if you install it to the room circuit breaker, not for single device. Colour:Yellow Material:Plastic Size:(WxDxH): 39.2x39.2x18 mm Package Contents: 1 * meter 2 * CT clamps 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. [Bidirectional Metering] Monitor your production and consumption at the same time.Real-time Monitoring Your Home Electricity Usage. Whenever and wherever you are, you can easily view the consumption of your in real-time. [A Clear Electricity Statistics] Shows the consumption with a clearly electricity statistics,which can be a useful tool to help you grasp the energy using of your and provide you a clear direction to take actions. [Configure the Alerts of the Power Consumption] The device sends notifications through the app when the consumption surpasses the set value, giving you into your home's power usage. [More Precise, More Intelligent] With only a 2% margin of error, you can accurately track your home's energy consumption, saving you more energy and providing more accurate data. [View What's Working, Know What's Off] Know whether your are working or not in your room in real-time. You can easily view your room's energy usage through the TuyaSmart/Smart Life app.