Unitec 74274 Battery Hydrometer Hydro Volts sound Every nuance of the sound

Every nuance of the sound really stands out

change the vibration frequency

Pull on the cursor for easy opening

Over 4 fun & unique chimes to choose from

The soft inner cover also keeps your iPhone 13 antiscrtach

Unitec 74274 Battery Hydrometer Hydro Volts sound Every nuance of the soundUnitec 74274 Battery Hydrometer Hydro Volts Unitec 74274 battery acid tester Hydrovolt, measuring device for acidity. Checks state of charge and acid density of all lead acid batteries. Large, precisely readable scale, suction ball at all temperatures elastic and functional. Hydrostatic barrier automatically prevents any leakage and trapping of air. The twin measuring device on which the scale is mounted, is 360 rotatable, measuring instrument does