Features: 1. Reusable: One-to-one key copy, each key password can be saved separately, and can be repeated and used millions of times continuously. Multi-function and multi-variable, personalized and user-friendly design is simple and quick to use. 2. Fast copy speed: Strong secret, high copy accuracy, high copy efficiency, faster copy data, not easy to lose codes, easy to install and use. For cloning garage doors, motorcycles, car alarm products, home security products, short-range wireless remote control products, etc. 3. Keychain Design: The keychain is attached to the remote control, with no extra bulk, easy to carry. Simple design and easy to use. Small in size and light in weight, the buckle makes it easy to carry. Easily hang it on your bag, or put it in your pocket to take it with you. 4. Wide application: The wide application fields of this car keychain include garage doors, motorcycles, car alarm products, home security products, remote wireless remote control products, industrial control products, etc. It saves you worry and effort and protects your secret. 5. Fixed code design: Easy to use, copy any fixed code remote control, save the trouble of replacing the specified remote control. This smart copy remote control is suitable for electric door remote control, telescopic door remote control, garage door remote control. Descriptions: The controller is with one-to-one key copy, each key password can be saved separately, and can be repeated and used millions of times continuously. Multi-function and multi-variable, personalized and user-friendly design is simple and quick to use. Specifications: Material: metal Size:67*17*17mm Ratedvoltage:12V Ratedcurrent:10mA Workingvoltage:DC12V(onegrainof27A12Vbattery) Workingcurrent:10mA@12V Radiatedpower:10mw@12V Transmissionfrequency:433MHZ Transmissiondistance:120-150M(emptyground,receiversensitivityisnegative100dbm) PackageIncluded: 1pc *WirelessRemote Controller Note: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.