ERGO V8 transmitter is configured with six (6) double detent push button switches on the front panel, one (1) Start/Horn and two (2) option single detent push button switches with latching function and Led indication on the side. It features a status LED on the front panel and easy to access STOP and Key-Switch. The transmitter is powered with one (1) Hetronic 3.6V NiMH rechargeable battery.