Specifications

DC 3.5-30V Blue LCD Volt Panel Meter Voltmeter Gauges Power 3.5-30V 12V 24V (for car motor)
OR
Digital Voltage Volt Meter Voltmeter Panel Blue Backlight

Description:
Suitable for test devices & equipment, such as measuring voltage, monitoring battery & electrical system and so on
Low power consumption, long service life
Voltage: 3.5-30V

Operating voltage: no need other power supply, two-wire
Display: LCD, blue backlight
Dimensions: 48 × 28× 18 mm
Installation hole: 46 × 26 mm
Measuring rate:   200 times / S
Working temperature: -10 ~ + 65 ℃
 Sun exposure: no direct exposure

Connection:
RED cable : positive . Black cable : negtive

Feature:
1. product stability, high measuring accuracy, strong anti-jamming capability
2. Appearance with standard size, easy installation
3. two-wire direct testing, no external power supply

Package included :
 1 x Blue backlight LCD Voltmeter