Irvine Voltspy 2
 by Irvine

The latest, compact, on-board voltage monitor that can be switched from 4.8 to 6.0v. It consumes very little current and has 7 highly visible LEDs. Its super thin shape and standard fitment JR plug suits both aircraft and helicopter installations.
£8.32
2 in stock
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Li-Po Low Voltage Alarm (Flash/Beep) 5-6 Cells
 by Prolux

A handy visible and audible li-po low voltage alarm for 5-6 cells.
£6.37
3 in stock
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