Specifications:

• Brand new and high quality.
• Measuring range: DC 0V--30V.
• Input range: DC 4.5V-30V(Max Input: DC 30V. The device can be damaged if input is over 30V).
• Working Current: < 23mA.
• Display Color: BLUE.
• Display: Three 0.56 "digital tube.
• Measurement accuracy: ±1%.
• Refresh rate: about 300mS / times.
• Input impedance: > 100K.
• Operation Temp: -10degrees-+65degrees.
• Size:2.8cm x 4.7cm x 2.1cm.

Wiring:

• Red:power supply +.
• Black:power supply -, measure -.
• White:measure +.