Light Switch Receiver Module only, other accessories demo in the picture is not included! new and high quality. Long range working voltage. Ultra low power, High sensitive response. Application: Suitable for LED light, LED light string, Christmas tree light string, light control switch and so on. About Working mode: Momentary: Push the remote button, the relay connects, release the remote button, the relay dis-connects. Toggle: Push once the remote button, the relay connects, push twice the remote button, the relay dis-connects. Latching: Push the remote button A, the relay connects, push the remote button B, the relay dis-connect. Support code format:1527 learning code. Number of stored remote controllers:less than and equal to 10. Working mode:inching, self-locking, interlock. Learning mode:for KEY Learning. Working temperature:-20-80/-4-176. Receiving Sensitivity: and equal to -107dBm Item Type:Light Switch Receiver Module Working Voltage:DC3.6-24V Max Load:2A Static Current:3.6-5.5mA Working Frequency:433MHz Input:DC3.6V-24V Output:DC3.6V-24V Modulation System:ASK Size:Length:11.5cm/4.5in Steps: Clear Code: Press the learning button on the module 8 times continuously, and the light flashes seven times and then goes out. Momentary Mode:Press Module learning button 1 for,the indicator light is for always on,then press the remote control button,the indicator light flashes 3 times and then turns off , then the learning is successful;If the code is not successful,the indicator lights out of the learning state after 15 seconds. Toggle Mode:Press the Module Learning button 2 times,the indicator light for always turns on;then press the remote control button,the indicator lights flicker three times and then off, then the learning is successful; if the code has notbeen successful, the indicator lamp goes out of the study state after 15 seconds. Latching Mode:Press the Module Learning button 3 times,the indicator light for always turns on; and then press the buttons on the remote control,the indicator lights flicker three times and then off,then the learning is successful;if the code has not been successful,the indicator lamp goes out of the study state after 15 seconds. Colour:Green Material:Plastic Package Contents: 1 * Light Switch Receiver Module 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.