Handy DC voltage converter modules that can step-up or step-down voltages so you can power your devices where a different power source is present. This could include powering 12VDC devices from a 6VDC motorbike battery or to run 12VDC devices from a 24VDC battery found in trucks. These units feature protection against short-circuits, overload and over-heating. They will auto-switch off in the event of overheating. Compact size and all models feature mounting holes. Three models to chose from:DC to DC Step Down Voltage Converter Module- Input voltage: 6-28V DC- Output voltage: 3-15V DC- Max output current: 1.5A- Dimensions: 60(L) x 45(W) x 20(D)mmAA-0236DC to DC Step Up Voltage Converter Module- Input voltage: 6-14V DC- Output voltage: 11-26V DC- Max output current: 2A- Dimensions: 70(L) x 60(W) x 23(D)mmAA-023724VDC to 12VDC Step Down Voltage Converter Module (not user selectable)- Input voltage: 24V DC- Output voltage: 12V DC- Max output current: 1.1A- Dimensions: 70(L) x 60(W) x 23(D)mmAA-0238 Manual Specifications Length : 70mm Width : 60mm Depth : 23mm DC Plugpack Voltage : 11V, 26V DC Current Draw : 2A Item Connection : Bare Leads Packaged Volume : 0.51l Packaged Weight : 0.12kg Packaged Length : 12cm Packaged Width : 9.5cm Packaged Height : 4.5cm Output Type : Bare Leads Number of Outputs : 1pc Type of converter or transformer : DC to DC