Features: Multiple frequency copy remote control for electric doors Suitable for all brands of battery car, factory expansion doors, electric garage door remote control copying Double-channel can copy two 6-key remote controls. For most brands on the market and easy programming Copy frequency support 310~432.8MHZ Common Copy Scenario: Suitable for copying remote controls of battery car, factory gates, electric garage doors, rolling shutters, traffic gates, electric window and home equipment. Specifications: Product name Multiple frequency copy remote control Transmitting distance 100~200m Operating Frequency 310~432.8MHz Shell Material ABS Transmit current 20mA Working voltages DC12V Size about 65x38x13.4mm/2.56x1.5x0.53in Support: Copy/Duplicates Battery type 23A12V battery Weight 24.6g(with case) Color: Blue White Package Includes: 1PC Garage Door Remote note: Due to the problem of lighting effect, there might be tolerances in product, please understand. Please allow 0-1cm error due to different measurement