Fashionclubs Lipo Battery Monitor Alarm Tester Checker Low Voltage Buzzer Alarm with LED Indicator for 1S-8S Lipo LiFe LiMn Li-ion Battery 2 pcs<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Protect the battery from overcharging or overdischarging.</li><li>Compatibility: 1-8s Lipo/Li-ion/LiMn/Li-Fe battery</li><li>Test the working state of lithium battery.</li><li>Push key which can change the voltage settings and save</li><li>When the voltage is below the set value，it will buzzer with red LED light，pre-set value 3.3V</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51j3WkaOGxL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41FYhLEeGvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/4131qGKt1wL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41gIECFXkJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41DZXIJOpCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51j3WkaOGxL.jpg" noproxy>