Feature: 1. With a powerful signal range of up to 100 meters, the kit allows convenient remote control through walls and doors without requiring line-of-sight. 2. The compact receiver is designed for easy installation in standard flush-mounted boxes, enabling seamless integration into existing roller shutter systems. 3. The wireless roller shutter control kit enables wireless operation of hard-to-reach roller shutters, offering added convenience and flexibility in remote control placement. Specifications: - Rated voltage: AC 100V - 240V - Operating frequency: 50/60Hz - Frequency: 433MHz - Standby power consumption: 0.2W - Load power: 16A - Range: approximately 100m - Operating temperature: -20°C to 55°C - Receiver dimensions: 5.2 x 4.5 x 2.5cm - Remote control dimensions: 11 x 3.5 x 1.5cm Package Contents: 1 x Receiver (Relay) 1 x Transmitter (Remote Control) 4 x Dowels 4 x Screws