DC-DC Step Down Module Two-wire Voltmeter 5 V USB Charger or Power Supply Input 4.5V-40V Output 5V/2A
Description: Input voltage: DC 6.5 ~ 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 bike, motorcycle for voltage measurement and to charge phone, iPad, Mp3 etc.
