Feature: 1. Industrial Grade ABS Material: This coulomb tester is made of excellent industrial grade ABS material for the housing, which is impact resistant, flame retardant and durable. 2. Waterproof Transparent Sliding Cover: The display of this battery monitor is made of waterproof transparent sliding cover, which is easy to disassemble and realize the waterproof and dustproof effect on the front of the meter display. 3. Excellent Pure Copper Material: This digital voltmeter ammeter is made of excellent pure copper material for the shunt and screws, which has good conductivity, small heat generation, low power consumption, and will not consume too much battery power in standby mode. 4. Multifunctional: This voltmeter coulometer is multifunctional and can display real time voltage, real time current, real time power, remaining capacity, and usage time of many physical parameters. 5. 2.4 Inch Color LCD Display: This power coulometer adopts 2.4 inch color LCD display, which shows the data comprehensively, clearly and easy to observe. Specification: Item Type: Power Meter Coulomb Meter Material: ABS, Copper, PVC Specification:120V 500A. Package List: 1 x Coulomb Meter Display1 x Splitter1 x 3m Shielded Cable1 x Voltage Acquisition Wire1 x Cable1 x Wrench2 x Wiring Terminal1 x Manual