Geek Lab BX100 1-8S Lipo/Li-Ion/LiMn / Li-Fe with Buzzer Digital Battery Tester

This product is suitable for various kinds of RC battery, When the voltage is below the set value, it will buzzer with red LED light,The alarm voltage can be set by pressing the button on top of the unit. The voltage the alarm will sound is adjustable between individual cell voltages of 2.7v and 3.8v in .1v increments ,pre-set value 3.3V. Features: Sharp backlit LCD screen, applicable under poor light condition Compact and extremely portable Suitable for various kinds of RC battery, such as LiPo/Li-ion/Li-Mn/Li-Fe Battery