General description 433MHz Wireless Heavy Duty Remote Control Switch is designed for reliable control of various electrical appliances, including lights, water pumps, and agricultural irrigation systems. With a maximum range of 164 feet, this remote control switch can penetrate walls, floors, and doors, allowing you to operate devices from virtually anywhere within range. It features three working modes: momentary, toggle, and latch, providing flexibility to suit your specific needs. Technical specifications Frequency: 433MHz Maximum range: 164 feet (without obstacles) Receiving sensitivity: >-105dBm Relay capacity: 30A Voltage compatibility: 85V to 240V Durability: High-quality relays can be used over 100,000 times Compatibility and accessories Each receiver can store approximately 20 transmitters One transmitter can control multiple receivers (must be matched) Installation Easy setup and reset process Receiver includes an antenna for extended signal reception (up to 50 meters) Usage