RF Frequency: 433MHz WIFI: IEEE 802.11 b/g/n Max current: 10Amp Parameter: WIFI Curtain Module: Input Voltage: AC 85V~265V Electric wire: Include Wireless Remote Rontrol: Remote distance : up to 70 meters (theoretical distance) Battery : 23A 12V( NO Battery include ) Screw: Include Base: Include Material: Plastic colour: white Package Contents: 2 x remote controls 1 x motor controller switch / 1 x remote controls 1 x motor controller 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.