Sherlotronics remote transmitters
- Code hopping encryption
- Unique antenna design incorporating the keyring increases operating range by 50%
- Crystal frequency-controlled within +/- 100KHz
- Frequencies available are 403.55MHz and 433.92MHz
- 12V Battery operation - GP23A alkaline cell
- Typically 2 years battery life expected under normal use
- LED flashes when there is a low battery condition
- Rubber buttons are easy to press and click positively