General description The Tuya Smart Life WiFi 433Mhz Blind Curtain Switch allows for convenient control of electric roller shutters. It features a wireless remote control with a theoretical range of up to 70 meters, making it easy to operate your curtains from a distance. Technical specifications RF Frequency: 433MHz WIFI: IEEE 802.11 b/g Max current: 10Amp Input Voltage: AC 85V~265V Remote distance: up to 70 meters (theoretical distance) Battery: 23A 12V (not included) Measurement allowed error: +/- 1-3cm Compatibility and accessories Includes 2 x remote controls Includes 1 x motor controller switch Electric wire included Screw included Base included