Audio Limited 2040 SwitchiR
The Audio Limited 2040 SwitchiR Key-fob sized control
The SwitchiR is so small and handy it even comes attached to a keyring. It is a tiny 60x30x12mm and weighs just 30g including battery (but not including keys).
Simple to operate:
With just four buttons, an LCD display and a simple menu system you can control all the user settable functions for the RMS2040 range of transmitters, including Off/On, frequency check and change, user identities and battery status.