What's in the box:

Digital Battery Capacity Checker Battery Voltage Tester LCD Backlight for LiPo Life Li-ion NiMH Nicd (Standard)

Features:
High visibility LCD display.
Balanced plug port for up to 8 Lipo, LiFe or Li-Ion batteries.
Can be used as a servo tester to test standard and narrow servos.
NiMh / NiCd battery discharge port.
It can be used to check the battery voltage of lithium batteries, including Lipo, LiFe, Li-Ion, and NiMH and NiCd batteries.
Measure the voltage of a single battery and the full battery voltage, and can also indicate the difference between the highest voltage battery, the lowest voltage battery and the battery.

Specifications:
Color: Blue
Material: Plastic
Product name: CellMeter 8
Discharge current: 1A
Balance current: 1A
Battery voltage test accuracy: 0.001V
Battery type: testable lithium battery/lithium ion battery/lithium iron (2-8S), nickel cadmium/nickel metal hydride battery (4-8S)
Servo test range: 1000-2000us or 500-2500us
Package Size: 8.5*5.5*2cm
Weight: 20g

Packing List:
1xBattery Voltage Tester
1xUser Manual