General description The AC 220V 30A 1CH 433MHz Wireless Remote Control Switch RF Relay Receiver is designed for easy use and installation. The transmitter and receiver are pre-paired and tested before shipping, allowing for immediate functionality upon installation. This remote switch is versatile and widely used in various applications, including industrial control and security systems. Technical specifications Working frequency: 433MHz Max load current: 30A Remote distance: 20-50m (up to 164ft/50m without obstacles) Buttons: 2 Encoding: Fixed code / EV1527 code Color: Black Material: Plastic Measurement allowed error: +/- 1-3 cm Compatibility and accessories Package Contents: 4 * Remote Switch 8 * Remote Controls Usage The remote switch can be used to control various electric appliances, including lights, motors, and security systems. It is suitable for applications such as wireless security alarms, electric doors, and lifting equipment. Other information Wireless RF signal can pass