Electrical characteristics1. The maximum output current: 2 a2. The input voltage: 2 v ~ 24 v3. The maximum output voltage: 28 v4. Efficiency: >93%Mechanical properties10  product size: 36 mm * 17 mm * 14 mmMethod of useThe module of the IN+ and - after 2~24v, IN adjusting the potentiometer can adjust output voltage, output voltage is greater than the input voltageMatters needing attention1. The input voltage should not exceed the maximum input voltage2. The peak current output current is no more than TV university    Package included:5 pcs x MT3608 DC-DC Step Up Power Apply Module