brand new and high quality Feature: Wireless control LED lamp string, Christmas tree light string, light control switch. Long range working voltage. Ultra low power,High sensitive response. 2-Ch wireless receiver built with high stability, security and performance in mind. Small size, low power consumption, flexible operation, easy to install. Widely used in industrial control and security fields, such as light, motor, remote controller, wireless security alarm, wireless door alarm, wireless controller, etc. Specifications: Item Type: Remote Control Switch Kit Voltage: 5V-12V Channel: 2CH Material: plastic+metal Size: Yellow Board: 34x14x7mm/1.3x0.5x0.2in Color: As shown Modulation mode: ASK (superheterodyne) Working mode: Momentary, Toggle, Latching Mode Learning style: Learning Button Quantity: 1 Set Operation Introduction: Working Mode: Momentary: Press the remote button, the relay connects, release the remote button, the relay disconnects. Toggle: Press once the remote button, the relay connects, press the remote button twice, the relay disconnects. Latching: Press the remote button A, the relay connects, press the remote button B, the relay disconnect. Clearing the Code: Press the learning button on the module 8 times continuously, and the light flashes seven times and then goes out. Learning the Code:(Momentary) Press Module learning button 1 for time, 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. Learning the Code:(Toggle) 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 not been successful, the indicator lamp goes out of the study state after 15 seconds. Learning the Code:(Latching) 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. Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm 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! Package Includes: 1 Set x Remote Control Switch Kit