For 2s/3s/4s/5s/6s Low Voltage Buzzer Alarm Lipo Battery Voltage Indicator Tester 7.4v 11.1v 7.4V - 22.2V

Protect reverse connection Little current consume For RC model battery diagnosis and measurement use Auto display the voltage with LED Arabic numerals It allows you to learn the working state of your battery, so your battery will not overcharge and over discharge or damage Used for 2S - 6S (7.4V - 22.2V) Li-Po Battery Voltage detection precision: ±0.02V Size: 50mm x 20mm x 10mm (l*w*h)

Package Included 1 Pcs 1S-6S Lithium Battery Low-voltage Alarm