Compatible with PoE mode A (powered by data pair) and PoE mode B (powered by pair) and auto MDIX, allowing the use of straight and crossover Ethernet cables. 20 needle with 3.3V, V+ power and 15 ESP32GPIO are available for your application. The 75mm by 40mm is compatible with 4 mounting holes of ordinary M2.5 or 4-40 screws. A small programming/USB serial console sub-module has been created so that the -POE module can be programmed to meet the 's application needs. Colour:As shown :PC+Metal Package Contents: 1 x T-Internet-POE Set 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.