Features:Combines many functions in one, these information leads to more efficient use of the battery, which can enhance battery life and reduce the risk of failure.Read your battery bank like a fuel gauge. Battery Status At A Glance.It is suitable for mobile and portable equipments, e-bike, balance for cars, cleaning machines, instruments, ups and so on.State of Charge (%),The remaining battery capacity (AH). Charge and discharge current (A), Voltage (V).Full-sealing waterproof design, with stable performance under rainy day, hot environment and cold environment.for all kinds of batteries.Specifications:Material: ABSSize: 59X20mm2.3x0.8 inchesTesting-range: 8-80VCurrent: 50A, 100A, 350A (optional)Preset capacity value: 0.1-999.9 AhNote:Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Package includes:1x Battery Capacity Tester