Fangrui Product Details 1. Specification: Meet The Ieee802.3af Standard, Class 0 2. Safety: It Has A Short Circuit Protection Circuit, 1500v High Voltage Isolation 3. Size: 38 X 38mm, Suitable For Ipc Internal Integrated Design 4. Integrated Network Filter, Suitable For All Ipc Modules 5. Compatibility: Support End-span (1,2+/3,6-) And Mid-span (4,5+/7,8-) Two Power Supply Modes Wide Temperature Operation: -20 To 70 Stable Operation Colour: Black Material: Pcb Size: 43.5 X 10 X 230mm Package Contents: 1 X Pm3812rcl Poe Module Only The Above Package Content, Other Products Are Not Included. Note: Light 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. 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.