Passive PoE means that input and output voltage are equal. Converts non-PoE devices to PoE. Supports 5V, 12V, 24V, 48V. Power supply required for power input – use the power supply (wall adapter) provided for the device being powered. PoE injector and splitter kit with 5.5 x 2.1mm DC jack/plug. Use with IP security cameras, wireless access points, and other devices. Can work up to 30-40 meters / 100-130 feet (depending on cable quality and device power requirements). Specifications: Injector: RJ45 Male + Power In to RJ45 Female Splitter: RJ45 Female to RJ45 Male + Power Out Supports: 5V, 12V, 24V, 48V Power Pins: 4,5+ and 7,8 Length: 16cm / 6.3in Transmission distance: 30-40m / 100-130ft Application: WLAN, routers, switches, internet telephony, security monitoring, etc. Color: Black Material: Plastic Size: 16 x 1.9 x 1.8cm Package Contents: 5 x PoE injector cables 5 x PoE splitter cables Only the above package content, other products are not included. Note: Lighting and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allows an error of +/- 1-3cm.