LED Digital Display Voltmeter Blue DC 12V Waterproof LED Digital Display Voltmeter For Car Battery Voltage Monitor

Parameters: DC 12V, 3-digit LED digital display. Note: High precision percentage: +- 0.2%. It can meet your measurement needs. Characteristics: "LLL" is displayed when the voltage is lower than the range; "HHH" is displayed when the voltage is higher than the measuring range Extreme working conditions: working temperature: - 10 -+70 degrees Celsius; Operating humidity: 10 - 80% (no condensation); Working pressure: 80 - 106 kPa; Sunshine exposure: no direct exposure; Please do not exceed the specified value of this product during measurement to avoid damaging the product Features: With reverse connection protection, red and black wires, red is the positive pole of the power supply, and black is the negative pole, easy and labor-saving. One machine for multiple purposes: LED display voltmeter applies to most vehicles, such as automobiles, ships, recreational vehicles, substation automation, power distribution automation, testing equipment, etc., which is practical enough to meet your various needs