General description The AC 220V 30A 1CH 433MHz Wireless Remote Control Switch RF Relay Receiver is designed for easy installation and use. 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 Max Load Current: 30A Working Frequency: 433MHz Remote Distance: 20-50m (up to 164ft/50m without obstacles) Buttons: 2 Encoding: Fixed code / EV1527 code Material: Plastic Measurement allowed error: +/- 1-3 cm Compatibility and accessories Package Contents: 2 x Remote Switch, 4 x Remote Controls Usage This remote switch can be used to control various electric appliances, including lights, motors, and security alarms. It is suitable for applications in the security industry, lifting equipment, electric doors, and more. Other information Wireless RF signal can pass through