This is a 4-50V voltmeter with alarm function. You can set high voltage and low voltage alarm by pressing the decrease button and increase button. When it exceeds the voltage, the buzzer will alarm.
Range of measurement: 4-50V DC
Size: 56mm -38mm -21mm
Lead length: 15mm
For orders exceeding $5, we’ll use registered air mail free shipping.You can track it all the way till receiving it. But for orders lower than $5, we’ll use economic shipping method, except below countries, Russian Federation, Spain, Ukraine and Belarus. You can track it, only when it’s in China.
In order to have tracking information all the way to your place, if possible, please try to make your orders exceeding $5. For customers from country in the exception list, please try to make your orders exceeding $2.