Boss/Steel-Line/Guardian Gate & Garage Door Remote Control 2211-L/BHT4

Compact design with a key ring segment
Twin button hand set to open gates and garage doors
Approved upon worldwide standards
Digital coding with over 1 million varieties
Transmitter Frequency: 300 MHz
2 channel
Compatible with correct receiver cards
Suits BOL4 & BRD1
Works with Boss, Guardian & Steel-Line
Battery: 23A 12V
Size: 70mm length x 43mm width x 14mm height