Feature: 1. [Multi Functional] Our battery monitor is a versatile device that can display real time voltage, current, power, remaining capacity, and usage time, providing various physical parameters of your battery. 2. [Clear Display] Equipped with a 2.4 inch color LCD screen, our battery monitor presents data in a clear and comprehensive manner, allowing for easy observation and monitoring. 3. [Bluetooth Feature] You can view and set relevant battery parameters on your smartphone using the dedicated mobile APP. Stay connected and in control. 4. [Low Power Consumption] Our battery meter is designed with pure copper shunt and screws, ensuring excellent conductivity with minimal heat generation, with low power consumption. 5. [Waterproof Cover The transparent slide cover of our battery voltmeter offers waterproof and dustproof protection, easy to install and detachable. Specification: Item Type: Battery Monitor Material: ABS Specification: 120V 100A. Package List: 1 x Battery Monitor1 x Shunt1 x 3 Meter Shielded Cable1 x Voltage Acquisition Cable1 x Flat Cable1 x Wrench2 x Wire Connectors1 x User Manual