Smart WiFi Roller Shutter Switch with RF Remote and 433MHz Compatibility RF Frequency: 433MHz WIFI: IEEE 802.11 b/g/n Max current: 10A WIFI Curtain Module: Input Voltage: AC 85V~265V Electric wire: Included Wireless Remote Control: Remote distance up to 70 meters (theoretical distance) Battery: 23A 12V (Battery not included) Screw: Included Base: Included Material: Plastic Color: White Package Contents: 2 x Remote Controls 1 x Motor Controller Switch (Or 1 x Remote Control and 1 x Motor Controller Switch) Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.