Passive PoE- means that input and output voltage are .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 * 2.1 mm DC / plug.Color: White Use with IP security camera, wireless access and other devices Use with IP security camera, wireless access and other devices Can work up to30-40 metres/100-130ft (depending on the 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 IP camera are with the smaller size power . Material: Plastic Injector: RJ45 Male + Power In to RJ45 Female Splitter: RJ45 Female to RJ45 Male + Power Out Supports: 5V, 12V, 24V, 48V Power plug / : 2.1 * 5.5mm / 0.9 * 2.2in Power Pins: 4,5 + and 7,8 Length:18cm / 6.9in Transmission distance: 30-40 m / 100-130 ft Application: WLAN, routers, switches, internet telephony, security monitoring etc Product size: 18 * 2.2 * 2.2cm / 7.0 * 0.9 * 0.9in Product weight: 55g / 1.96oz Package Included: 1 x PoE injector cable 1 x PoE splitter cableNote:Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.