Package Included

- 1 x Step Down Buck Converter Module, DC 5-40V To 5V 2A

Description: 

- Input voltage: DC 6.5 ~ 40V.
- Output voltage: 5V (when the input voltage is between 6.5V ~ 40V).
- Output current: 2A.
- With reverse connection protection.
- With overheat protection and short circuit protection.
- With USB power indicator light.
- Application: can be used on a car, electric bike, motorcycle for voltage measurement and to charge a phone, iPad, Mp3 etc.

- The input voltage should not exceed the maximum input voltage.
- There could be a maximum output voltage difference of around 5%.

Instructions:
- Touch the "output enable" button, then the USB power indicator light on, the USB output voltage 5V ; When you need to turn off the digital tube, touch the "low power" button, then the module into the ultra-low power standby mode, USB output is also turned off accordingly.

NOTE : Voltage Self-calibration - please refer the picture

CAUTION: The product is not designed for commercial use like medical, life-saving, life-sustaining, etc., and cannot be used in dangerous places such as coal mine oil depots.