DC Wireless Relay Remote Control One Key Switch Receiver + Transmitter 4V 5V 6V 7.4V 9V 12V for Computer Auto Door Window Lifting Equipment Entrance Access

【Strong Signal】The wireless remote control volume is small and the performance is stable and reliable, high receive sensitivity. Strong which can pass through walls, floors and doors, control receiver from any place within a distance. 【Learning Code】Momentary/Toggle Mode:Press the receiver learning button, the receiver LED indicator flash slowly, it means entering into learning state, press the transmitter button, the receiver LED indicator flash fast for 2 times and then flash slowly, it means learning is successful. Press the learning button again to turn off the LED indicator, it means learning is finished. 【Clearing Code】Press the receiver learning button and hold for about 5s until the receiver LED indicator from ON to OFF, it means the code have been cleared. 【Wide Compatibility】The relay remote control covers application ranging from like auto door, window, lifting equipment, entrance access, etc. 【Easy To Match】It is a learning code wireless remote control switch(receiver). It is easy to match the transmitter(remote control). Perfect wireless relay remote control for computer mainframe.