12V Battery LY6W Battery Capacity Indicator LED Leadacid Tester Voltmeter Tools,Indicator LED Leadacid Tester Voltmeter Tools 12V Battery LY6W Battery Capacity, Dimensions:48*25*10mm Display Window Size:36x12mm Applicable Specifications:Lithium Batteries,Lead Acid Batteries Work Current:5-15mA (with backlight) Work Voltage:12V Energy Resolution:1% Voltmeter Accuracy :1% Using Temperature Range: -20- 70 degrees Operating humidity:10-80%(non-condensing) Black wire connect negative electrode Red wire connect positive External dimension:64*25*12(mm) Hole Dimensions :43*11,3(mm) Package Includes: 1 x Waterproof Digital LCD Indicator Battery Capacity Tester 1 x Power Cable,Description: New and high quality, Keep the back light on continuously, Crystal shell LCD monitor power.Tools 12V Battery LY6W Battery Capacity Indicator LED Leadacid Tester Voltmeter.