Anti- design, bearing positive and passive 5KB, 8/20uS electric shockwave up to 5 times for every minute. Failure alert function and FUSE. Specification: parameter: 24V Colour: Black material: plastic Input Current: 100V-240V AC, 47-63Hz Max Input Power:12-24W Input Stabilivolt Accuracy: -24V DC±2% Load Adjustment Rate: -24V DC±2% DC Output Broadband Noise Voltage: 3.4kHz-150kHz≤50m Operate Environment: Temperature: -5 to 55℃ Relative Humidity: 5%-9%RH Ventilate, clean, no conductive dust or gas. No danger of explosion POE Power Protect: Output overvoltage Protect: -52V~-50V DC Overcurrent Protect (single circuit): 500Ma-1000Ma Overvoltage Protect: Input Voltage 290V-310V AC Overvoltage Recovery Point: Input Voltage 240V AC Undervoltage Protect: Input Voltage Less than 140V-155V AC Undervoltage Recovery Point: Input Voltage Less than 100V AC Temperature Protect: 100℃ Indicator Light: Light On: Working Light Off: Short circuit or overload protection. Consumer power is too high. Consumer breakdown. Cable short circuit. Package Contents: 1 x POE Power Injector 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Features: Compatible with IEE802.3af/at.POE protocol. Standard PD port power supply priority function. Forwarding Rate: 10/100BASE-TX:148800pps/port Short circuit, over-current, and over-voltage protection System reliability: MTBFGreater than 100k hours