Features: Display of voltage, current, power, residual capacity, use of time a variety of physical parameters. 2.4inch LED digital display: The display data is comprehensive, clear, easy to observe, and the reading is clear. User who detect charging and discharging can easily detect bidirectional current without changing the wiring direction. ABS material is used, which have characteristics such as impact resistance and highs temperature resistance. The PVC flame-retardant material housing is safe and reliable. Wide applications: suitable for electric bike testing, battery monitorings, battery testing, power equipments testing, etc. Specifications: Material:ABS Voltage: DC8-100V Current: 0.02~100A ,0.04~200A ,0.06A~300A ,0.1A~500A (optional) Capacity: 0.1AH~99999AH Power value: 50KW Communication bauds rate: 9600bps Measurement rate: 20times/second Size:Approx.53mm/2.08''x86mm/3.38''x17mm/0.66'' Cable Length:Approx.3meters/118'' Note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color. Package includes: 1Set Battery Capacity Tester