BlueMart ® 1-8S Battery Checker and Low Voltage Buzzer Alarm Plus BlueMart Cable Tie
Specifications:Voltage detection precision +/-0.01VUnit Voltage display range: 0.5-4.5VTotal voltage display range: 0.5-36V1S test mode voltage range: 3.7-30VLow voltage alarm mode for 2-8SAlarm set value range: Off-2.7-3.8V