Catalog > Consumer Electronics > Kits > Various Kits DRN-Dual Function Battery Power Monitor DRN-Dual Function Battery Power Monitor HKD 1-8S 2IN1 BATT MONITOR+CASE DRN-Dual Function Battery Power Monitor with LED Display and Buzzer with Housing. Alarm Threshold: 0.5V ~ 4.5V 68.40 ZAR inc for 1 Each 15 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Size : 40*28*13mm Color : Black Weight : 12g Voltage Detection Precision : ± 0.01V Group Voltage Display Range : 0.5V~4.5V Total Voltage Display Range : 0.5V~36V Low Voltage Buzzer Alarm Mode : 1S - 8S Alarm Voltage Setting Range : OFF~2.7~3.8V Alarm Volume : ≥100dB