ITEM NAME:LM317 AC/DC -DC Adjustable Voltage Regulator Step-down Power Supply Module V1G9 LM317 AC/DC -DC Adjustable Voltage Regulator Step-down Power Supply Module V1G9 Model: Adjustable Voltage Regulator Color:green Material:CCL Module Size:62mm x 35mm Input: DC:5-35v or AC:6-24V Output:1.25-30V Current(Max):1A Package Included: 1 x Adjustable Voltage 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..Input: DC:5-35v or AC:6-24V. Module Size:62mm x 35mm. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.