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 that operates at a theoretical distance of up to 70 meters, making it easy to manage your curtains from a distance. Technical specifications RF Frequency: 433MHz WIFI: IEEE 802.11 b/g Max current: 10Amp Input Voltage: AC 85V~265V Battery: 23A 12V (not included) Measurement allowed error: +/- 1-3cm Compatibility and accessories Includes: 1 x remote control 1 x motor controller switch Electric wire: Included Screw: Included Base: Included