Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Remote on/off, Time control function, Relay last status, Voltmeter, Ammeter, Power meter, Active power TOB9-63M support Energy monitoring Remote control at anytime from anywhere Schedule/Timer/loop timer Working Voltage:AC 90-300V 50/60Hz Mechanical Life:Over 100000 Times Working Temperature:-25-70 Note: This meter Only supports 2.4G Wireless Network, NOT for 5G This decive is not compatible with for Home Assistant, please use the device in SMART LIFE APP/ TUYA APP. Wiring:Power must enter from the top and must be Live line + Neutral Line (L+N). Live line + Live line (L+L) cannot be used. Type:A:TOB9-63M Metering Colour:White Material:PC Size:82x50x18mm Package Contents: 1 * WIFI Smart Switch 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.