Shipped within 24 hours Suitable for 90% of remote controllers on the market. If you are worried about compatibility, please contact me. Specifications Product material: ABS Product size: 63*37*12mm Product weight: 35 g Product color: Black Rated voltage: 3V(CR2032) Installation: wireless Learning frequency range: 280mhz to 868mhz Radio transmission distance: 30-100m (Open area) Scope of application: garage door, alarm, automatic door, rolling door, etc. Include 1X remote control 1X remote control chain 1X English Manual Compatible withfor example Easy to use 1. Press button 1 and button 2 at the same time, release button 2, press button 2 again 4 times, until the LED flashes once every three seconds 2. Place the original remote control in front of the new remote control (approximately 4 to 5 cm), press the button of the original remote control to be copied until the LED of the new remote control flashes quickly (the LED flashes regularly) 3. Press the button of the new remote control you want to use 4. If you cannot copy successfully, please repeat the above steps 5. After the copy is successful, do not use any remote control, then place the new remote control near the receiver to activate it, press and hold the button until its Led flashes quickly, and then 6. For the rolling code remote control, it should be programmed together with the receiver after cloning. The programming method is the same as the original remote control programming.Usually the motor must be turned on to find the receiver's programming buttons. Press the programming button, and then press and hold the clone remote control button for a period of time to program.