3PCS Electronic Accessories: 1 x Cooling Fan & 2 x cable Product Name: DC Cooling Fan;Rated Voltage: DC 12V;Current: 0.06A Bearing Type: Sleeve Bearing;Speed: 8000 RPM;Air Flow: 3.3 CFM Material: Plastic Color: Black+ White cable: Passive PoE- means that input and output voltage are equal. Transforms Non PoE devices to PoE enabled. Power supply required for power input - simply use the power supply (wall transformer) that is provided with the device you are trying to power. PoE injector and splitter kit with 5.5 x 2.1 mm DC jack / plug. Color: Use with IP security camera, wireless access point and other devices Use with IP security camera, wireless access point and other devices Can work up to30-40 metres/100-130ft (depending on the quality of the cable and the power draw of the device). The complete Passive Power over Ethernet SET contains two pieces - INJECTOR and SPLITTER. It is suitable for using with products IP camera are with the smaller size power jack. Injector: RJ45 Male + Power In to RJ45 Female Splitter: RJ45 Female to RJ45 Male + Power Out Supports: 5V, 12V, 24V, 48V Power plug / jack: 2.1 x 5.5mm / 0.9 x 2.2in Power Pins: 4,5 + and 7,8 Length:18cm / 6.9in Product size: 18 x 2.2 x 2.2cm / 7.0 x 0.9 x 0.9in Cooling Fan: Noise: 25 dbA; Connector: 2 Pins Connector;Size: 3 x 3 x 1cm / 1.2inch x 1.2inch x 0.39inch Package Contents: 1 x Cooling Fan 1 x PoE injector cable 1 x PoE splitter cable