VOLTSPY

Product information
Visual voltage monitor for 4.8 V NC receiver batteries.
This lightweight miniature check instrument monitors the voltage of the 4.8 V NC receiver battery while you are flying. Over a period of time the LED shows four different coloured flashing indicators, corresponding to different airborne
battery conditions. It is simply plugged into any vacant receiver socket. 

Visual flashing LED indicator 4 voltage stages
Voltage range 4.3–5.8 V
(4 NC cells)
Dimensions approx. 43 x 14 x 8 mm
Cable length approx. 280 mm
Weight approx. 8 g