DORHEA 4pcs 3007 Fan for Raspberry Pi 4 30x30x7mm Cooler Fan Pi Brushless Cooling Fan 30MM 1.18in 3.3V 5V DC Quiet Fan for Raspberry Pi 4, Pi 3 B+, Pi 3 B, Pi 2, Pi B+, Pi Zero/Zero W,Robot Project

• Cooling fan size (L x W x H): 3 x 3 x 0.7 cm; Connector: 2 pin
• Cooling fan run smoothly(15.92dBA), Long life (30,000 hours) keep CPU safe without overheating
• Fan with two terminals, Its connector is separating, One-to-Two interface connector Interface for dual speed mode (3.3V and 5V DC)
• Compatible with Raspberry Pi B, B+, A+, 2, 3, 4 model B and B+ and Pi Zero/Zero W other robotic projects and development boards
• This fan can be installed for most of the standard Raspberry Pi cases and also is compatible with RetroFlag NESPI Case

Specifications: Fan Size: 30x30x7.5 mm (LxWxH) Wire Length: 2.6 inches (66mm) Connector: One-to-Two pin Color: Black Bearing Type: Hypro Bearing Operating Voltage: DC 3.3V - 5V Start up Voltage: DC 3V Noise Level: 15.92dBA Life Time: 30,000 hours Suitable for Raspberry Pi B / Raspberry Pi B+ / Raspberry Pi A+ / Raspberry Pi 2 and Pi 3 Model B+ / Raspberry Pi 3 / Raspberry Pi 4/ Pi Zero/Zero W Package Including: 4 X cooling fan kit