efans® 1S-8S Li-po Digital Battery Voltage Tester Low Voltage Buzzer Alarm Indicator with Warning Alarm

Description

Specifications: [1].This is battery voltage checker and low voltage buzzer 2-in-1 unit. [2].1S test mode test range 3.7 to 30V, which means you can test the battery pack without balance connectors like RX battery pack etc., LiPb or other power source voltage. [3].In other words, this very little devise can be used as a simple digital voltage meter. [4].Loudly buzzer can be heard from distance; you can put this device on your plane and use it as on- board alarm, so you can hear the low voltage alarm during flight. [5].Compatibility: Used for 1-8S Lipo/LiMn/Li-Fe What is in the box: 1 x Lipo Battery Voltage Tester