Car radio transmitter for cigarette lighter sockets for convenient opening and closing of the garage door from the car ,- Suitable for use with a wide range of garage and exterior gate drives ,- For upgrading systems with fixed or rolling codes in the frequency range from 433 MHz and 868 MHZ ,- Enables easy copying directly from the original handheld transmitter (with a fixed code system) or teach-in for the drive system (with rolling code system) ,- 4 buttons for personalised programming, ideal for opening several garage doors with only one remote control ,- Range up to 40 m ,- Voltage supply via the cigarette lighter socket ,- Thanks to the integrated high-performance capacitor, the transmitter can also be used for max. 3 days without connection to the cigarette lighter socket ,- If the capacitor is empty, it must be recharged via the cigarette lighter socket (charging time approx. 3 minutes) ,- Integrated USB socket with 5V/2.1A for charging smartphones/tablets , ,Note for Consumers: ,To find out which code type (fixed or rolling code) and frequency range your door drive uses, please refer to the operating manual for your door drive or contact the manufacturer.