433.92 MHZ garage door remote control. Transmission distance ranges from 50 to 100 meters in open space. Compatible with 433.92 MHz frequency. Remotes with different frequencies are not compatible. Applicable scenarios: 01 All types of electric doors, electric garage doors, passage doors, security monitoring 02 Remote control copying for vehicles, motorcycles and electric vehicles 03 Household scenarios: lighting fixtures, projection curtains, electric doors and windows 04 Agriculture applications: crane copying, sprayers, water pump remote controls, etc. Activation steps: 1. Clear existing code Press and hold the two buttons of the remote control simultaneously until the indicator light flashes from slow to fast, which means the code clearing is completed. The indicator light will keep flashing for about 15 seconds. Please complete step 2 within this period. 2. Select the button to be copied Press the button you need to copy. At this time, the rapidly flashing indicator light turns to a steady on state. 3. Copy the remote control Press the button of the old remote control that needs to be copied, and keep it as close to the copy remote control as possible. At this time, the copy remote control changes from steady on state to slow flashing three times and then goes out, which indicates the pairing is successful. Please follow the above method to set other buttons one by one. Specifications: Battery powered Color: white Number of channels: 2 Number of keys: 2 Product model: 432HzNA Modulation method: ask Transmission power: 3~6dBm Transmission current: 21ma Standby current: < 0.15ua Operating frequency: 315/433.99mhz Operating voltage: DC12v Battery type: button battery * 2 Shell material: ABS Product size: 68*33*11mm Product weight: 18g Use range: 150 meters Package includes: 2PCS 432HzNA remote controls