ITEM NAME:5pcs LM317 DC-DC Converter Buck Circuit Board Adjustable Linear Regulator B U9Q3 5pcs LM317 DC-DC Converter Buck Circuit Board Adjustable Linear Regulator B U9Q3 Output Current: 1.5A (min), 2.2A (type) Input-output voltage differential (VI-VO): 40Vdc (max) Adjustable output voltage range: 1.2 ~ 37V Operating temperature: -55 to +150 Celsius Color: Blue Material: metal Current output: 1.5A Voltage Input: 4.2 ~ 40 V Characteristic frequency: 100 (MHz) Module size: 35.6 (mm) x16.8 (mm) Package included: 5 pcs LM317 DC-DC Converter Buck Circuit Board Adjustable Linear Regulator Note: Light shooting 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..Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Module size: 35.6 (mm) x16.8 (mm). Characteristic frequency: 100 (MHz).