LINEAR Multi-Code 4-Button Visor Gate and Garage Door Remote Linear 414001 - The Home Depot

The model 414001 4-channel visor transmitter is a portable transmitter designed for automatic door and gate operator applications. This transmitter is a four-channel device. Each button activates one of the four channels. The buttons feature raised dimples for easy, or vision-impaired identification. A visor clip is included. The transmitter is powered by a 9-Volt battery and has a test/operate indicator. The transmitter is multi-code format with two 10-position coding switches providing 512 possible codes for each channel. The transmitter will only activate receivers set with the same code. The model 414001 is compatible with 300 MHz multi-code receivers and model 109950 and 302850 receivers