Feature: 1. Better Monitor: The battery manager with LCD display can clear the voltage, current, power, capacity and other parameters in real time. 2. Easier Control: Through Bluetooth connection, the smart battery monitor supports easy remote control with your phone, simple to operate. 3. Premium Design: Low in power consumption, the battery tester uses copper screw with good conductivity and low heat, accurate and reliable. 4. Practical Uses: Widely applied to monitoring output voltage and current, as well as batteries charging and discharging, high in safety. 5. Good Materials: Adopting industrial ABS material with high impact resistance, also has flame retardant PVC casing for working security. Specification: Item Type: Battery Capacity Manager Material: ABS Specification: 120V 200A. Package List: 1 x Display1 x Shunt1 x 3 Meter Shielded Wire1 x Voltage Sensing Line1 x Flat Cable1 x Wrench1 x User Manual