Features: with IEE802.3af/at.POE protocol.Standard port supply priority function.Forwarding Rate: 10/100BASE-TX:148800pps/portShort circuit, over-current, and over-voltage protectionSystem reliability: MTBF Greater than 100k hoursAnti-thunder design, bearing positive and passive 5KB, 8/20uS electric shockwave up to 5 for minute.Failure alert function and FUSE.Specification:parameter: 48VColour: Blackmaterial: plasticInput Current: 100V-240V AC, 47-63HzMax Input :12-24WInput Stabilivolt Accuracy: -24V DC2%Load Adjustment Rate: -24V DC2%DC Output Broadband Noise Voltage: 3.4kHz-150kHz50mOperate Environment:Temperature: -5 to 55Relative Humidity: 5%-9%RHVentilate, clean, no conductive dust or gas.No danger of explosionPOE :Output overvoltage : -52V~-50V DCOvercurrent (single circuit): 500Ma-1000MaOvervoltage : Input Voltage Greater than 290V-310V ACOvervoltage Recovery : Input Voltage Greater than 240V ACUndervoltage : Input Voltage Less than 140V-155V ACUndervoltage Recovery : Input Voltage Less than 100V ACTemperature : Greater than 100Indicator Light:Light On: WorkingLight Off:Short circuit or overload protection.Consumer is too high.Consumer breakdown.Cable short circuit.Package Contents:1 x POE InjectorOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.