-7: Supports 9-57V wide voltage DC input for power redundancy, power can up to 30W max, PoE injector can be used for RV Truck/Solar Power/VoIP ect. ^^.
//: 9-58V to PoE 48V support IEEE 802.3 af PoE( 15.4W ) and IEEE 802.3 at PoE (30W), meet the power supply requirements of most devices. ^^ With PoE output port, supports IEEE 802.3 af PoE ( 15.4W ) and IEEE 802.3 at PoE+ (30W). IEEE 802.3 bt
PoE+(60W/90W) ^^: 6000V surge protection capability, being able to operate under the temperature range from - 40F to 167F. Small size 3.74 * 2.76 * 1.42 in (95*70*36mm), suitable for monitoring confined spaces.
^^ - &: The gigabit PoE injector comes with 35mm Din-rail clip and wall mount accessories.