HDL-MHRCU-II.433 RCU Room Control Unit 2.0, DIN-Rail Mount RCU Room Control Unit 2.0, DIN-Rail Mount, HDL BUS PRO, RJ45, INNER RJ45, UDP/IP Network Interface, Totally 23 Channel output: Relay 1-10: 5A, Relay 11-12:16A, Relay 13-20: 3A including one channel for Emergency light, Mosfet Dimming 21-23: 1A, 48 Ch Dry contact input/output. 1ch Door Bell relay, built-in 2ch IR control and Logic automation function. Parameters Model HDL-MHRCU-II.433 SKU 316010073 Bus Power mA Width 210 mm Height 90 mm Depth 56 mm Weight 725 g Material CustomOne CustomTwo CustomThree CustomFour CustomFive Discount category A 23 pcs in stock in stock in stock You can buy these goods through registered HDL partner. Question to product