Application Environment: Remote control switch, motorcycle, automobile anti-theft products, home security products, electric doors, shutter doors, for windows, remote control socket, LED remote control, remote control electric remote control audio ports, remote control of the garage door, remote control of 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 electric remote control for cars, MP3 remote control. Attention please: Compatible Transmitter Encoding Type: EV1527 If you are not using the transmitter EV1527, encoding will not be applied to the receiver. Specifications: Product Model: RX480-E4 Working Voltage: for DC 3.3-5V Holding Current: 5mA Working Frequency: 433 MHz Receive A Sensitivity: -108dB Receive Distance: 15 meters above Frequency range: 0.2 MHz Working temperature: -25~75 Working mode: Motion point, auto-lock, interlock The output: 4 CMOS signal level channel Corresponding to ABCD 4 remote control buttons. Size: 2.7x1.8cm/1.06x0.71" Quantity: 1 Pc Note: Please allow 0-1mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! No Retail Package Package Contents: 1 x 433 Mhz Receiver Module