Features: Easy to Use,perfect for checking voltages before parallel-charging. Upgrade Version:New lipo battery tester with backlight. Support Battery Type:LiPo, LiFe, Li-ion, NiCd, NiMH.Battery Voltage Test Precision: 0.001V. Also Can be used as Servo tester to test standard and narrow servo. Battery cell voltages, Total voltages, Lowest cell voltage, Highest cell voltage, Voltage gap- between highest cell voltage and lowest cell voltage, Remaining battery capacity(%). Specifications: Material: ABS Size: approx 13.5x8.3x3cm/5x3x1-inch Lithium-battery number :2-8S Detection accuracy :0.001V Discharge current :0.2A Balance current :0.2A Steering gear test: Broadband, narrow frequency,1000-2000us,500-2500us Note: Please allow 1-3cm error due to manual measurement. please 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 Cellmeter