General description This AC 220V 30A 433MHz 1CH Wireless Remote Control Switch RF Relay is designed for easy installation and use. The transmitter and receiver are pre-paired and tested before shipping, allowing for a hassle-free setup. This versatile remote switch is suitable for various applications in industrial control and security fields, including lighting, motors, remote controllers, wireless security alarms, lifting equipment, electric doors, and more. The wireless RF signal can penetrate walls, floors, and doors, providing reliable control from a distance. Technical specifications Max Load Current: 30A Working Frequency: 433MHz Remote Distance: Up to 164ft (50m) without obstacles Buttons: 2 Encode: Fixed code / EV1527 code Material: ABS Color: Black Measurement Allowed Error: +/- 1-3cm Compatibility and accessories Package Contents: 2 x Remote Switch, 2 x Remote Controls Usage This remote control switch allows you to turn the receiver on or off from any location within the