Features: 315-433.92 MHz Copy Transmitter: Duplicate your existing remote controls for cars, garage doors, gates, electric doors and windows, home automation lighting and alarm system, etc. The 4-channel remote control allows you to easily copy most remote controls. Frequency 315-433.92 MHz, bringing you a new remote control experience and much convenience in your daily life. High copy accuracy and high copy efficiency, easy to install and use. Strong confidentiality, high copy accuracy and high copy efficiency, faster data copy speed, not easy to lose code. Small size remote control, stylish and portable design. Specifications: Material: ABS Color: Black Rated voltage: 3V-12V Battery: 2 * CR2032 3V (built-in) Working current: 6-10mA Corresponding frequency: 315-433.92 MHz Modulation: ASK/OOK Scope: Garage doors, automatic doors, roller shutters, etc. FILLING: Our product is 433 frequency, and the customer's remote control is 315 frequency, so it cannot be matched. Note: Supports