KitsGuru DC 4.5-40V To 5V 2A USB Charger DC-DC Step-down Buck Converter Voltmeter Voltmeter  (Digital)

Description: The DC-DC 4.5-40V To 5V 2A USB Charger Step down Converter Voltmeter Module is connected to power, the voltage can be detected in real time.When you need the phone, IPAD, MP3 and other digital products charge, click the “Output Enable” button,then USB power indicator lights, USB output voltage 5.0V.When you need to turn off the voltmeter, click the “Low Power” button, then enter the ultra-low-power standby mode, USB output corresponding shutdown. Wide input voltage, for car / battery car / motorcycle used for monitoring battery voltage; measure the voltage needed for a variety of occasions. The output current capability 5.0V/2A, enough to meet a variety of USB devices, voltage is very stable. Technical Parameters: 1. Input voltage: DC 4.5 ~ 40V. 2. Output voltage: 5V (when the input voltage is between 6.5V ~ 40V). 3. Output current: 2A. 4. The voltmeter has automatic calibration function 5. With reverse connection protection. 6. With overheat protection and short circuit protection. 7. High efficiency and low ripple.