Description

Specification:

Modle: YS-04
Name: Step down voltmeter module
Input voltage: DC 4.5 ~ 40V
Output voltage: 5V (when the input voltage is between 6.5V ~ 40V)
Output current: 2A
Size: approx 5.7 x 2 x 1cm(L x W x H)
Application: can be used on car, electric bike, motorcycle for voltage measurement and to charge phone, Mp3 etc.

Feature:

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.

Instructions:

When you need to charge the mobile phone, MP3 and other digital products, 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.

Package included:

1 x Step down voltmeter module