The G4 is mainly targeted at the battery powered model aircraft market providing an early warning to the pilot of impending battery exhaustion. Although compact in size, G4 utilises the latest micro-controller technology to achieve precision voltage measurements via digital signal processing techniques and offer fully configurable operation. It’s simple yet clear visual indication can be easily seen on the brightest of days.

The G4 can be configured to work with various types of battery packs. Both the number of cells and alarm voltage (V/cell) can be programmed in the G4 within a few seconds via a simple user interface.