... Temp.: -25~+70°CRelative Humidity: 5~90%* Multi port,2 to 24 ports* Per port: link, speed, PoE active, PoE error* UNH ... * Output: 16ports with RJ45 jacks, 30W max. per portTotal power: 16*30W* Hold-up Time:16mS min. 120VAC and max. load ... , speed, PoE active, PoE error* Total power, individual port power, port statusand device temperature are displayed on LCD Gigabit Multiport switching POE Injector