... connect long distance. Used with SP-4312 (DC 12V), it has more choice. SP-4924 is AC/ACP power supply ... , output voltage AC 24V 50Hz/60Hz, (MAX. 15A) SP-4312 is AC/DC adaptor, the input voltage is AC ... : 1. If used with AC24V Camera, please connect to SP-4924 pole. In common, it can common, it can ... used with DC12V camera, it need add SP-4312 adaptor between camera and SP-4924. In common, it can connect ...