Voltage tester--simple connection with reverse protection, won't burn if connect reversely, voltage voltmeter; Voltage meter--suitable for testing the capacity of 3, 7v batteries, 12 acid batteries or 3, 2v fe batteries, voltage voltmeter; Battery capacity tester--waterproof shell with a button for switching from capacity, voltage and turn off, voltage voltmeter; Voltage voltmeter--easy to read the value in dark environment with the specific backlight, battery capacity tester; Battery capacity monitor--automatically turn into sleep mode in 10s for saving the power, voltage voltmeter

What's in the box
1 x Battery Chargers & External Power