Yosoo 4-Channel Remote Control Cloning 433mhz Electric Garage Door Remote Control Key Fob Universal

Specifications: Material: Plastic Size: Approx. 6.8cm x 4cm x 1.6cm ( Length*width*Height ) Work Voltage: DC 12V Work Current: ? 12mA Transmitted Power: ?10mW Work Frequency: 433 MHz Transmitting Distance: within 80M ( open space) Battery: 2pcs CR2016 Button Batteries (Not Included) Work Temperature: -20?~70? Storage Temperature: -10?~50? Humidity: under 85% Occasion: home/ shopping mall burglar alarm , electrombile/car/motorcycle alarm, door&window controler , other industry control. How To Use: 1. Erase the code 1) Press button A and B at the same time until LED flash 2) Release button B and keep pressing button A , then press button B 3 times, LED flash fast indicate succeed to clean code (can release button A now) 2. Duplicating 1) Put duplicator aside of original transmitter , as close as possible 2) Press and hold button A of original transmitter and button A of duplicator at the same time, until duplicator's LED flash and keep lighting. 3) Release both buttons, finish code copy , copy other button in the same way. 3. Resume Press and hold button C and D for 3 seconds, the LED flash , OK all buttons return back to the latest copy codes.