... current range:0-150A 3.touching LCD 4.wireless monitor Function1. Adopt wireless unit monitoring technology, support 2V, 6V, 12V unit ... head protect, LCD cue with Boom AlarmUnit voltage collectionAdopt wireless unit monitoring technology, support 2V,6V,2V unit voltage monitor. ... assessor y is available separately 2. The number of wireless monitoring modules you need base on the quantity batteries of ...