Finally battery maintenance made easy. To check receiver packs with the BR-2000 Discharger/Cycler modelers simply connect the pack, set for 4.8/6.0/7.2V, and push the button. Red/Danger, Orange/Caution, Green/Attention and Blue/Safe zones on the circular graph clearly indicate voltage status. LCD display is backlit in red when checking, a blue backlight means discharging operation. Features: - Circular graph clearly indicate voltage status - Can be used with 4.8, 6 and 7.2V battery packs - Discharge load is adjustable from 1-3A - Automatically shuts off when discharging or cycling is completed - Uses receiver package voltage to operate BR-2000 works with NiMH, NiCD, Li-ion and Li-poly batteries.