Output current: 3A (max) Conversion efficiency: 92% (maximum) Residual ripple: 30 mV Switching frequency: 65 kHz Working temperature: -45 centigrade ~ + 85 centigrade Precautions The positive input IN + IN negative input The positive output OUT + OUT- output negative Note that input and output can not be .Reversing could burn Input: DC 3V to 35V (the output voltage of the input must be higher than the voltage can not be increased above 1.5V.) Output: DC 1.5V to 35V voltage is continuously adjustable, the maximum efficiency output current of 3A. Features: use all fixed capacitors, 36U thick circuit boards, high Q inductor with LED display Working time is recommended to use less than the current of 2.5A exceeds 2A heat sink (10W output above);Because the downward module, to a stable output, keep a minimum pressure 1.5V. Color: image color Material: Metal Size: 43mm * 21mm * 14mm Package contents: 10 * DC converter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.