Bluecell 1-8 Cell Lipo Digital Battery Voltage Checker with

1-8 cell battery checker:
Voltage Detection Precision: +/- 0.01V.
Unit Voltage Display Range: 0.50-4.5V.
Total Voltage Display Range: 0.50-36V.
1S Test Mode Voltage Range: 3.7-30V.
Low Voltage Buzzer Alarm Mode for 1-8S.
Alarm set value range: OFF~2.7~3.8V

2-6 cell batteries checker:
Quantity: 1 x Digital Voltage Checker,
Dimension: 1.9 x 0.75 x 0.3 inch.

Bluecell 1-8 Cell Lipo Digital Battery Voltage Checker with Warning Alarm + 2-6 cell Lipo Digital Battery Voltage Checker