Product specifications & features2-2 Samsung Electronics2-2. Product SpecificationsItem RemarkPower- Adaptor : DC Adapter- Input Voltage : 100 ~ 240V, 50/60Hz, 1.0A- Output Voltage : 12V, 3ASize 240(W)x255(H)x64.8(D) (Unit : mm)Weight 1.48kgInstall Method Panel stickingDisplayLCD(Text)LED Power, CPU-Alive, Ethernet Linked, Ethernet Active, COM1, COM2, COM3,COM4, COM5 TX, RX, CheckKEY 4keys (Menu, , , Set)DI / DODO(Dry Contact) Digital signal output(8CH)DI(Dry Contact) Digital signal input(10CH)CommunicationPortRS485 Connection port of other device besides outdoor unit.Ethernet RJ45 connector (10/100Mbps) for EthernetEtc. Data Backup SD CARD slot (SD card is needed additional purchase)All manuals and user guides at all-guides.com