Specifications Encoding method:Rolling code Hign-concerned Chemical:None Model Number:Universal garage remote control Origin:Mainland China Certification:CE Name:Gate remote control Frequency:433MHz, 433.92MHz Code:Rolling & Fixed Code Buttons:4 Model 1:Garage Door Opener Model 2:Remote Control for Gate Model 3:Garage Door Command Model 4:Gate Control Model 5:Garage Commander Model 6:Garage Door Control Model 7:Remote Control Garage Model 8:Door Remote Control Features Multi-functional and multi-variable, personalized and user-friendly simple design and fast to use. This smart copy remote control is suitable for electric door remote control, telescopic door remote control, garage door remote control. Clearing method: When the top two buttons are pressed at the same time, the LED indicator flashes 3 times and then releases the right hand (do not release the left hand). Press the right button continuously for three consecutive times with the right hand, and the indicator light flashes. Then the press any button the light still off. The clear function is completed. Copying: The corresponding button(you can decide which) of old remote and the our remote control is both pressed, during which the light quickly flashes twice, and slowly flashes 3 times then continuously light, then the two buttons is copied. The following 3 buttons copying is the same. Chips that can be copied: PT2262,PT2240, PT2264, PT2260,PT2242,SC2262, SC2260, EV1527,P527,HT600,HT640,HT12D,HT12F,HT12E,SC5262 etc. Description Material: Plastic. Size: 60*36*12mm. Color: As pictures show. Type: Wireless remote. For: Such as electric telescopic door remote control, road gate remote control, alarm remote control and so on. Rated voltage: 2*3V CR2016.Battery(included). Wireless transmission distance: 150 (m). Notes: Due to the light and resolutions setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package included: 1 * 433MHZ remote control duplicator.