•Zone numbers:1,2,4,8 zones •AC input:220 VAC-230VAC •DC output: 27VDC •Battery type:2 x 12 V/1.3Ah •Maximum number of smoke detector/heat detector per zone:20pcs •End of line resister:6.8k •Siren output: Available •Max output current:400mA •Dimension: 275x 200x 72.5mm •Body material: Iron •Weight(without battery):2.3Kg