With 2.5KV isolation 

Compatible with IEEE 802.3af / 802.3at standard POE switches (secure power supply):

8 Ports Ethernet Gigabit 8 PoE Switch 120W 802.3af 

5 Ports Ethernet Gigabit PoE Switch 4 PoE IEEE802.3af 

RJ45 female INPUT Port:
Support the IEEE 802.3AT the Power over Ethernet PoE Switch(Output 12V2A, max.24Watt)
Support the IEEE 802.3af the Power over Ethernet PoE Switch(Output 12V1.3A, max.15.4Watt)
Support 48V-52V Unsolicited Power Over Ethernet PoE Switch (Output 12V2A, max.24Watt)
Support 48V-52V Unsolicited Power Over Ethernet PoE Adapter(Output 12V2A, max.24Watt)

Specification:

Compliant with IEEE802.3at 24Watt
Isolation: 2.5kV

Power Input:  DC44~57V 

Power Output: DC12V 2A
Data&Power INPUT Port: from RJ45 female
Data Output Port: RJ45 Male
Power Output Port: 5.5x2.1mm DC Power Plug(with DC5.5x2.5 Adapter)
Data Transfer Rate:  10/100/1000Mbps
Devices will be detected before poe input
Power Pin:support both 1/2(+),3/6(-) or 4/5(+),7/8(-)
Body size: 80 x 45x 25 mm
DC cable length：25cm
RJ45 Modular Plug cable length：25cm
Weight : 90g
DC Out Power Pin: inside positive (+)  outside  negative (-)

Operation Temperatue:-20℃ ~ 45℃
Storage Temperature:-30℃ ~ 70℃

Storage temperature: 

Item Included:

 Ethernet Gigabit 802.3at Active PoE Splitter x1
 Network Cable(25cm) x1
 5.5x2.1 male to male DC cable (25cm) x1
 DC 5.5x2.5 male to 5.5x2.1 female adapter x1