This is a voltage converter based on the DC-DC module LM2596S. The voltage can be adjusted with the potentiometer with an accuracy of ± 0.1 V (DC). The integrated segment display can additionally be switched between the input and the output voltage via the knob. Technical features - Switching regulator LM2596S - Input voltage: 4 ... 35 V (DC) - input current: 2 A - output voltage: 3 ... 34 V (DC) - output current: 2 A - output power: max. 15 W - accuracy: ± 0.1 V (DC) - adjustment via potentiometer - control via segment display - dimensions (LxWxH): 67 x 37 x 15 mm