DC 4.5-40V To 5V 2A USB Charger DC-DC Step-down Buck Converter Voltmeter Module Product Image:Product Description: Brand new with 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 bike, motorcycle for voltage measurement and to charge phone, iPad, Mp3 etc. Size: 6 x 2cm(approx)   Package Included:
1 x DC 4.5-40V To 5V 2A USB Charger DC-DC Step-down Buck Converter Voltmeter Module
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Warranty 1. All merchandise will be carefully test before shipping. We will try our best to avoid any quality problem.
2. We promise warranty for quality in one year and we will repair it free of charge. The returning shipping should be paid by customer.
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On May-30-19 at 06:45:15 PDT, seller added the following information: