Round battery discharge indicator with memory functions, easy to read LED bar indicating real battery state. Electrical:Operating voltage:12V(8-16V)Operating Current:Nominal 25 mA; Max. 30 mAPower consumption:Nominal 0.30 W, Max. 0.36 WMechanical:Panel Cutout (mm/in):Φ52mm/Φ2-1/16"Lens:GlassCase:ABS (Black)Bezel:Al. Anodzd blackDisplay:10 tri-color LED barMounting:U-shape bracketMax. Pins:4; 3/16 ...