DIYSecuritycameraworld DSC-TB01,Splits 1 Input to 8 Out, 8 Way Terminal Block Bus Bar 8 Way Terminal Block Bus Bar - Splits 1 Input to 8 Out One power adapter input, Splits one input to 8 outputs Unit Dimension(L x W x H): 121mm x 44mm x 20mm 24V AC Input and Output, or 12V DC Input and Output or 8 RS485 input and 1 RS485 output