Boss BHT4

Specifications:
- Compact design with a key ring segment
-Twin button handset 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