Application environment: Remote control switch,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. Maximum load power:40W. Maximum supportedpower for motor type applications: 12W. Specifications Of The Receiver: Model Number:KR8001MINI-4. Working Voltage: DC 3.7V-24V. Maximum Load: 2A. Static Current: 3.6mA-7mA. Working Frequency: 433MHz. Reception Sensitivity: -107dBm. Modulation Mode:ASK (superheterodyne). Number Of Stored Remote Controls: 10. Working Mode: Momentary, Toggle, Latching Mode. Learning Style: Learning Button. Working Temperature: -40 degrees 80 degrees. Appearance Size: 26mm x 13mm x 1mm (length x width x high). Learning the Code:( Latching). Note: When you choose for latching mode, in order to learn more remote control, you need to learn two different button, the first time learning is for ON, the second time learning for OFF. For example: Button A = ON, Button B = OFF. the learning key on the receiver triple time, it comes into latching mode . Wait for a moment, the LED indicator on the receiver board flash then come off. the remote button A. LED flash for 5 times. the remote button B. LED flash for 5 times. After 3 seconds, the LED indicator be on again, learning successfully. A = ON, B = OFF. Learning the Code: (Toggle) the learning key on the receiver twice time, it comes into toggle setting mode. Wait for a moment, the LED be off , it comes into learning state. the remote button, LED indicator on the receiver board flash then come off. After 3 seconds, the LED indicator be on again, learning successfully. Learning the Code:(Momentary) the learning key on the receiver once time, it comes into momentary setting mode. Wait for a moment, the LED be off , it comes into learning state. Push the remote button, LED indicator on the receiver board flash then come off. After 3 seconds, the LED indicator be on again, learning successfully. About Working mode: Momentary: the remote button, the relay connects, release the remote button, the relay disconnects. Toggle: once the remote button, the relay connects, the remote button twice, the relay disconnects. Latching: the remote button A, the relay connects, the remote button B, the relay disconnect. Clear Code: the learning button on the module 8 times continuously, and the light flashes seven times and then goes out. Color: As Shown Material: Metal+Plastic Package Contents: 5 * modules 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.