4 in 1 Remote Control Duplicator allows cloning up to 4 remote buttons from same or different remotes, convenient to carry multiple remotes in one. Features 4 channels with anti-theft function, suitable for garage doors, cars, home security, and short-range wireless control products. Can copy compatible wireless remote keys with individual password storage, creative design for simple and quick use. Specifications: Working voltage DC12V (27A battery not included), operating current 8mA, working frequency 433MHz, modulation mode ASK (AM), transmission power 100mW, emission distance up to 100m, encoding type self-copy, working temperature -10°C to +50°C. Compatible with remote control IC modules like PT2262, EV1527, HT6207, etc. How to Program: Step 1 delete existing code: Hold A and B together until LED flashes 3 times, release B, hold A and push B 3 times until LED flashes non-stop. Step 2 clone original remote: Place remotes back to back, hold 1 button on original and clone remote until LED blinks 2 times, then 3 times, then steady. Color as shown. Package Contents: 1 x Remote Control Duplicator.