• The product is equipped with QC3.0 USB charging port, which can be used for powering mobile phones, tablets, GPS, etc.
• The product is equipped with a voltmeter, which can detect the use status of the battery at any time and prevent safety accidents caused by bad batteries
• The independent switch can control the USB and voltmeter at the same time, and it can be turned on immediately
• Aluminum alloy shell, red digital display voltmeter, coupled with fine workmanship, the whole product looks high-end and stylish

Wiring instructions:

• The red wire is connected to the positive pole of the power supply
• The black wire is connected to the negative pole of the power supply

Specification:

• Product Model: ZH-975B1 Black/ZH-975A1 Silver
• Product net weight: 165g
• Input voltage: DC12V
• Product cable length: 130cm (without extension cable)
• Measurable voltage: 6-38V
• Output parameters: 5V/3.0A
• Voltmeter color: red
• Working temperature: -20 to 80℃
• Product material: flame retardant nylon material + aluminum alloy
• Installation aperture: within 2.2cm diameter