We got this device for in-house testing of factory lipo packs. After local customers saw it they wanted them. What is it? You hook it up to a 1s-6s lipo pack through a Align style tap and it reports each cells voltage in the pack. If flashes: Cell 1 = 3.88, then Cell 2 = 3.88 etc then Total = xx.x. It does only work on Align style taps or PQ that are 4s and larger. But keep in mind we do have Adapter to convert PQ and TP's to Aligns. (PQ->AL 2s - 6s, and TP->AL 2s - 6s). If you want this device and need adapters contact me so I can work out a special on the adapters.Read Manual

Great little LVC device. Use this device only on 2 and 3s lipos. Lights up and make a loud tone when any cell in the pack reaches 3.0 volts per cells. The light progressively light up more and more as you get closer. This is well worth the money. NOT FOR AIRSOFT