Passive PoE means that input and output voltage are equal. Converts non-PoE devices to PoE. Supports 5V, 12V, 24V, and 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. Compatible with IP security cameras, wireless access points, and other devices. Can operate 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 Supported Voltages: 5V, 12V, 24V, 48V Power Pins: 4,5+ and 7,8 Length: 16cm (6.3in) Transmission Distance: 30-40m (100-130ft) Applications: WLAN, routers, switches, VoIP, 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 Note: Lighting and monitor settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.