ZMXR 2 IN 1 4.5V 40V VOLTMETER + 5V USB CHARGER STEP DOWN POWER MODULE
Input voltage/ voltmeter range: DC 4.5~40V, (with input voltage from 6.5V to 40V, can generate a 5.0V regulated output)
Output voltage/current: 5V/2A
Voltmeter display can be calibrated
Reverse polarity, over current and over temperature protection
Output enable button turns On/Off the USB output power. USB power indicator LED illuminates when output is enabled
Size: 58mm * 21mm * 10mm (L*W*H)
Net weight: 13g