x 2Pcs IP Extender Good Heat Dissipation Two Way Communication Stable Small Size Ethernet Adapter 1,Plug and Play: The extender does not require software, no driver, plug and play, and can be used for a long time. 2,Good Heat Dissipation: The design of multiple cooling vents on both sides of the extender body can effectively dissipate heat and ensure the effective operation of the equipment. 3,Two Way Communication: Using sophisticated production technology, the extender has two way communication and is easy to use. 4,Small Size: Made of materials, the extender has stable performance, small size and easy to carry. 5,Transmission Distance: The transmission distance of BNC is up to 500 meters, and the transmission distance of RJ45 is 100 meters. 2 x IP Extenders1 x User Manual Item Type: IP ExtenderMaterial: Iron ShellNetwork Interface: RJ45 InterfaceCoaxial Interface: Coaxial Cable InterfaceWorking Temperature: -10°c to and55°cPower Interface: Approx. 5.5 x 2.5mm or 0.2 x 0.1in (Not Equipped with Power Supply, Need to Be Equipped Separately)RJ45 Transmission Distance: Approx. 100meters or 109.4ydCoaxial Transmission Distance: Approx. 500meters or 546.8yd (Maximum) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.