DC 2.4V-30.0V 2-Wire Mini 0.36in LED Digital Display Panel Voltmeter Voltage Volt Meter 
Features:
The latest quality chip with CE and RoHS certification makes it more stable and safer to use; 
Equipped with 2 wires for convenient wiring(convenient for cars, motorcycles, etc.). 
No additional power supply is required, the tested voltage is the power supply;
High-precision, low-start operating voltage, DC 2.4V- 30.0V; reverse polarity protection, anti-burning;
Fine-tuning function;

Specifications:
Measuring range: DC 2.4V- 30.0V
Voltage measurement error: 0.05V
Working current: ＜30mA
Display mode: 0.36" LED (3 digits)
Refresh rate: about 200ms/time
Working temperature: -10℃~ 65℃
Certification: CE, RoHS
Display color: Blue
Line length: 19.5cm/7.68"
Product size: 35 x 22 x 20mm/1.38 x 0.87 x 0.79"
Net weight: 19g

Notes:
1. When the voltage is lower than 3V, the display brightness will darken but it will not affect the correct measurement.
2. Measuring voltage higher than 30V may damage this product.