mod/Smart Tailed 3mm LED w/ 2 Pin Mobo Header Connector - UV: Computers & Accessories. Buy mod/Smart Tailed 3mm LED w/ 2 Pin Mobo Header Connector - UV: Water Cooling Systems - ✓ FREE DELIVERY possible on eligible purchases. Motherboard LED Pin Style Connector . Replacement for Case HDD Activity / Power LEDs . Tailed 3mm LED w/ Pin ready to use on any standard case. Can be used for power LED or hard disk drive activity. Simply plug into the HDD LED, PWR LED. Accommodates any cd rom, case light or any bezel out there. They are ready to go and all wired, just plug them in!! FeaturesEasy to use.Simple Design.Pre-Wire LED with capacitors. SpecificationsLED Voltage: 3.3V MAX.Wire Length - 4in.3mm Clear Lens LED. Parts Includedx Tailed LED. Warnings *Please be very careful with the power you apply to the LED - we cannot accept any returns of LED's that are burnt out. Max Voltage is 3.3V! is not responsible for any hardware damage. Use at your own risk. . . .