Module performance and features:
1. With voltmeter display and voltmeter ...
1. Input voltage: 5-36V (the input voltage above 6.5V ...
1. Input voltage: DC6.0~55V low voltage 5.5V ...
1. Input voltage: DC6.0~55V low voltage 5.5V ...
1. Working power supply: DC5V external power supply or 18650 ...