Product Application Area: Remote control switch, receiver module, motorcycles, automobile anti-theft products, home security products, electric doors, shutter doors, , remote control socket, remote control LED, remote audio remote control electric doors, garage door remote control, remote control retractable doors, remote volume gate, pan doors, remote control door opener, door closing device control system, remote control curtains, alarm host, alarm, remote control motorcycle remote control electric cars, remote control MP3. wireless power switch, socket, remote control switch, receiver module, access control, electric cars, motorcycles, automobile anti-theft products, remote door openers, closers control system security, surveillance systems, home security products, electric doors, alarm host, alarm rooms controls, shutter doors, , remote control socket, remote control LED, remote audio remote control electric doors, garage door remote control, remote control retractable doors, remote rolling gates, sliding door smart , remote control curtains, remote MP3, audio 433mhz Receiver Learning Code Decoder Module 433 mhz Wireless 4 CH output For Remote Controls 1527 2262 encoding Specifications: 5Pcs Color: Blue Material: PCB Package Contents: 5 x 433mhz Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.