Alarm LED - Supplied with blue, yellow, green or red LED.
The alarm light illuminates when line is moving and latches for another 15 seconds after line movement stops.
Volume Adjustment.
Tone adjustment.
Sensitivity Adjustment.
Night Light
Low Battery Warning (uses 9 volt battery)
Extension Socket For Illuminated G1 Drop Off. (not supplied)
Gl Radio Optonic Receiver. Designed to accomodate up to four alarms the receiver also offers four Volume levels and four Tone settings.
All four LEDs latch for 15 seconds