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

Car Battery MonitorIt is a gift, ornament, also a testing tool!1. Displays the condition of the car battery2. Protects the engine computer and accessories from damaging surges3. Easily plugs into a cigarette lighter or power receptacleMonitor the car battery condition via cigarette lighter socket Just plug it into cigarette lighter socket.Specification:Model No. XL-Car-VRange: DC 8-30VResolution: 0.1VReading: 3 digits [99.9]Ultra-bright LED display: Red / Blue /GreenOperation temperature: -12-60R. Humidity: 0-85%  

Best wishes

Linda

Car Battery Monitor with LED display