Irvine Voltspy 2 - P-VS01
The Irvine Voltspy 2 is compact, on-board voltage indicator for 4.8 or 6.0v Nicad receiver packs. It uses 7 highly visible LEDs to identify flat Nicads or charging problems to help prevent unnecessary and unexpected crashes. The Irvine Voltspy 2 has a standard fitment JR plug which suits both aircraft and helicopter installations.