QIACHIP 12V 4 Channels Wireless Relay Remote Control Switch 433Mhz RF 10A Universal 4CH Receiver Module with Transmitters Controller for Lights,Garage Door,Motor,DIY

【Stable signal】433Mhz radio frequency remote control switch. Stable and reliable performance, high reception sensitivity (> - 97dBm) powerful signal transmission through walls, floors, doors, panels, etc. Control from a distance of 50m in open areas. 【More flexibility】The receiver contains 4 relays, each with 3 terminals (normally open, common, normally closed). These 4 relays are independent, for example you can use two relays to control the garage door/motor and the other two to control the lights. Each receiver can store about 20 transmitters. 【High Quality】10A relay to load high power appliances, the receiver is suitable for 12V voltage, the chip code is EV1527 learning code. This is the most popular technology to make the remote control system more secure. 【Application Scope】The product can be used in home, farm, factory, office, laboratory, supermarket, etc. You can remotely operate each device connected to the relay receiver via the remote control. For example: garage doors, electric doors, rolling doors, retractable doors and electric curtains, fans, lights, lighting, ventilation equipment, signal transmission, etc. 【Easy use】There are 3 operating mode(momentary/toggle/latched mode) can be program. You can easily program by yourself depends on your requests. The operating mode of the product is adjustable.