A handy device to quickly indicate the condition of your car or truck battery, charger or alternator. It uses 3 LEDs to indicate battery and charge under engine on/engine off conditions. Compact and lightweight, it includes 600mm leads with crocodile clips, and an inbuilt magnet to secure the unit while taking measurements. Available in 12 or 24V versions: QP-2258 12V QP-2259 24V Dimensions: 120(L) x 33(W) x 20(D)mm