DC-DC Buck Power Tech 6.5v12V~40V to 5V + USB Vehicle Voltmeter Charging Mobile Phone HW-318


USB Charger LED Step Down Converter Voltmeter Module Low Power DC 4.5-40V to 5V 2A High Efficiency Low Ripple

Brand new high quality

Input voltage: DC 4.5~40V.
Output voltage: 5V (when the input voltage is between 6.5V~40V).
Output current: 2A.
The voltmeter has automatic calibration function.
With reverse connection protection.
With overheat protection and short circuit protection.
With USB power indicator light.
High efficiency and low ripple.
Application: Can be used on car, electric bicycle, motorcycle to measure voltage and charge phone, iPad, MP3, etc.