Fangrui Product Details Specifications: Working Voltage: 85-250v Ac. Indicator: With A Signal Indicator, Relay Pull The Ligh Supports To Control Different Voltage Ranges. Usb Port Power Supply More Convenient Board Consumption: Less Than 1w. Standby Current: 80ma Standby Power: Less Than 0.5w. Input Current: Less Than Equal 16a; Wattage: Less Than Equal 3500w Relay Lifespan: Equal 1000000 Times. Electrical Insulation Resistance: 100m Voltage: 1000v Relay Maximum Suction Time: 15ms Relay Maximum Release Time: 5ms Working Mode: Inching /self-locking, Interlock Transmission Mode: Wi-fi Communication Wireless Standard: 2.4ghz, 802.11 B/g Mobile App: On Android/ios Applicable Occasions: Smart Home. Wifi Control Control Distance: Infinit Enclosure Material: Fire-retardant Abs Operating Temperature: -40 Degrees To +70 Degrees Operating Humidity ~ Rh Color: As Shown Material: Pcb Package Contents: 1 * Wifi Switch Module Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Dis