SWITNEX Wireless Remote Control Switch 433Mhz 220V 230V 240V 1 Channel Radio Control Relay Receiver with 4 Transmitters Keyfobs Potential-Free Contacts Relay Controller

【Excellent Design】433Mhz RF wireless relay remote control switch. Stable and reliable performance with high reception sensitivity (> 97dBm). Radio frequency signal transmission.Strong signal can pass walls, floors, doors,board and so on.It can be controlled within 30 meters distance in open area. You can remotely operate every machine connect with the relay receiver through the remote control. 【Easy to Use】Extremely easy to set up and reset. There are 4 operating mode(momentary/toggle/latched/delay mode) can be programed. You can easily program by yourself depends on your needs. The operating mode of the product is adjustable. This item has already been set up in latched mode. 【More Flexibility】This receiver adopts 5A high-quality relay that can be used over 100,000 times. Let this product is more long-lasting and stable to use. There are 3 terminals(normally open pin, common pin, normally closed pin) for the wireless relay. This is a potential-free contacts relay. Passive output. Dry contacts. 100V~250V wide range voltage receiver. So 100V/220V/240V/250V voltage can working well. 【Multiplayer Control】One receiver can store about 20 transmitters. So you can share the transmitters to family/ friends. And one transmitter can control multiple receivers at the same time. The code of the chip is EV1527 learning code which is the secure technology system. The remote control has a long service life. There is a screw port on the back of the transmitter, and the battery can be replaced after disassembly. The battery is 2pcs CR2016(included). 【Wide Application】Products can be used in homes, farms, factories, offices, laboratories, supermarkets and so on.You can remotely operate every device connect with the relay receiver through the remote control. such as, garage door opener system, electric lock, Electromagnetic door, lamp, lighting, ventilation device,water pump, signal transmission and DIY remote control switch.