"TARAMPS VTR1000 Automotive Digital Car Voltmeter With Voltage Level Monitor Red LED Automotive Car Audio, Digital Display, Measure and Monitor Electrical Voltage of The Battery || FEATURES * Reference: VTR 1000. || Details || * When the voltage reaches 10.2V, considered Low, it flashes. || : || * 3-digit display with real-time update. || * Range of measurement: 5V to 30V || || FEATURES * Accuracy (t-bit): +/- 0.1V || * Power consumption: 48mA @ 12.6V || * Dimensions (WxHxD): 67.5 x 16.5 x 52.5 mm || * Weight: 0.1 Kg: || || FEATURES * Applications || * Thinking about the practicality and safety of your automotive sound system we developed the VTR 1000 digital voltmeter. || * A compact, discreet and easy to install product. || || FEATURES * The VTR 1000 will monitor Battery level and ensure the full and safe operation of your sound system. || * VTR 1000 digital voltmeter || * VTR 1000 monitors battery level || || FEATURES * Keep your system's full running audio system safely || * Manufactured with great care and attention to detail "