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. 1 x Display1 x Shunt1 x 3 Meter Shielded Wire1 x Voltage Sensing Line1 x Flat Cable1 x Wrench1 x User Manual Item Type: Battery Capacity ManagerMaterial: ABS