Digital voltage meter Check Battery Alternator Tester 12V from Shaanxi XIELI . Plugs into any 12 volt adapter

DC12V/24V Cigarette LighterSpecification---Model: XL-CAR-V---Accuracy: ± 1%+2 digit, RH 45%-75%---Display9.1mm (red, green, blue) LED display---Reading: 3 digit(999count)---Range: DC8~30V---Operation temperature: -5-60 centigrade---Power source: DC12V/24V± 2%, Max. 50mA---Auto zero setting---Sampling period: 400ms---Outrange display: 999 flicker---Net Weight: 32g  

Best wishes

Linda

Car Digital Meter with LED display