HPI RF-20 Receiver (2.4Ghz /2Ch) Upgrades Battery Resistance MeterDetermines the internal

Battery Resistance MeterDetermines the internal resistance of individual cells and the entire battery

US Touring Car racer

Knobs): SR4

and other accessories

HPI RF-20 Receiver (2.4Ghz /2Ch) Upgrades Battery Resistance MeterDetermines the internalThe RF 30 is designed for cars that use 4 cell receiver packs. The included RF 20 receiver uses low voltage cut off as an extra safety precaution*. 2. 4GHz high frequency reception Long range reception Failsafe system if radio reception is lost Low voltage cut off to prevent runaways* *Not recommended for cars with 5 cell receiver packs. For RC vehicles with 5 cell receiver packs, use #104060 HPI RF 30 Receiver (2. 4GHz 2ch) Configured to work with TF