Digital 2 Wire Voltage LED Display for up to 30v

These are nice little voltage displays that will display voltage up to 30v. They work great for the price and this is a great way to add a visual element of voltage for your battery. Simple 2 wire connection.

Brand new. Note: the display gets bright the closer you get to 4 volts. Under 4 volts the display is not too bright. Perfect voltage range would be between 4-30vdc.

• Voltage Meter: With this voltage meter, you can easily measure the volt of circuit, very reliable and convenient.
• High Accuracy: The detection rage is 0‑30V, meanwhile 3% measuring accuracy ensures small error for your working.
• Clear Display: 0.28in LED screen allows for clear digital display, which largely simplifies the operation as well.
• Safer Working: Designed to have reverse connection protection, the voltmeter has better work safety and stability.
• Easy to Install: Comes with a compact size as well as a light weight, the installation can be quickly completed.

Specification:
Item Type: Voltmeter
Working Voltage: 4.0-30V
Detection Voltage: 0-30V
Operating Current: <20 mA
Detection Rate: ≥200 mS/time
Mounting Hole: Approx. 28.5 x 10mm / 1.12 x 0.39in
Measurement Accuracy: 3%
Working Temperature: -10~+65℃
Size: Approx. 33 x 10 x 7mm / 1.3 x 0.39 x 0.28in
Red Wire: Power+
Black Wire: Power-