Features: Elevates cooling for Single Board PC performances Cooling Fan specifically to keep your development board cool and efficient. This quiet cooling fan operates at a low noise with its 2 Wire connection featuring 3x3x0.75cm and a low power consumption of DC5V. Powerful heat dissipation: fast speed rotating fan, it provides powerful airflows to dissipate heat quickly and keep the device stable.. Quiet technology, the noise is less than 30dB, which will not disturb your working or resting environment.. Easy Installation: Simply connection the fan for Single Board PC mainboard, not need additional tools or complicated step. Specifications: Size：about 3x3x0.75cm/1.18x1.18x0.3in For Single Board PC 5Max/5Pro/5Plus/3B Connection：2pin 1.25mm Model：LD3007MS Support: DC5V 0.2A Package Includes: 1PC Cooling Fan note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.