Item Name: 0.36 inch DC4-40V Digital Voltmeter Display Volt Meter Gauge Tester (Blue). Smart TV Box Android Quad Core HDMI 1080P Wifi Streaming Media Player UK
Feature:
1. This voltmeter has a volume of 0.36 inches, a range of DC 0-40V, 2-wire access, breaking the conventional voltmeter. It is the latest design. It can work directly in 5V, 9V, 12V, 24V circuits without voltage regulation.
2. Equipped with two wiring, easy access to the car/battery car/motorcycle internal line, with reverse connection protection function, wiring will not burn.
3. It can be used to monitor battery voltage and master battery voltage status in time. It can also be used for voltage measurement of other products.
4. Ultra-low starting voltage, red minimum 2.5V, green minimum 2.7V, blue minimum 3.0V. If
