Feature:1. Application Range: The working voltage range is DC8100V, the measurement range is DC8100V. It supports voltage and remaining power measurement for lithium battery, acid battery, and iron lithium battery.2. LED Indication: This digital monitor adopts LED power indication, which clearly displays the battery voltage and remaining power. Equipped with PVC waterproof screen protector, for bright backlight.3. Guard and Alarm: The battery voltage monitor provides reverse polarity guard and low voltage flashing alarm. When the measured voltage is low, the screen will flash to remind the user.4. Power Off Memory: This battery monitor has power off memory, once the appropriate mode is set, the settings will be retained even after power interruption, there is no need to reconfigure it for subsequent use.5. Wide Application: This battery voltage meter is suitable for installation in car, RV, motorcycle, boat, SUV, and is suitable for electronic maintenance, DIY electronic projects, and other settings.Specification:Item Type: Battery Voltage MeterModel: 4829Material: PCPower Supply Voltage: DC 8-100VMeasurement Range: DC 8-100VApplicable Battery: For Ternary Lithium Battery, Acid Battery, Iron Lithium BatterySize: Approx. 47.6 x 28.7 x 19.4mm / 1.9 x 1.1 x 0.8in.Package List:1 x Battery Voltage Meter1 x Connecting LineNote:There is a slight error in size.