BT-1- Single port 2.5 gigabit poe injector, 802.3af/at/bt auto negotiation--Without Power Supply Power High Powered Devices like WiFi , PTZ Cameras, Q series IP Cameras, PoE Lighting and more. This 802.3af/at/bt compliant Power over Ethernet (PoE) injector takes power from the DC power source and adds it to a Cat5, Cat5e, or Cat6 Ethernet data cable to power your PoE devices. Upgrade your PoE network with the flexibility and features of the IEEE 802.3bt (90 watts, PoE class 4 ) for a small group of devices without the expense and hassle of installing a PoE switch. Active PoE means Security. Active negotiation means that this injector negotiate with your device prior to delivering power. This feature means that you can rest that your end devices are safe from accidental overpowering. Dual installation mode, offers wall or DIN rail mounting type to accommodate various installation environments, ensuring flexibility and ease of setup. Further more, the integrated slot on the side enables seamless stacking of two/or more products for added convenience and space-saving functionality. Instantly upgrade your network switch to IEEE 802.3at PoE+ or 802.3bt PoE++ Active negotiation protects non-PoE Devices 2.5 Gigabit Data capability Single port PoE with 90W max output, requires extra power adapter, BT-1--48V120W kits is optional Use to power IEEE 802.3at/bt (PoE+/PoE++) devices like, WiFi Access Points and Cameras Color: Black Material: ABS Package Contents: 1 * DIN PoE Injector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.