408-Sm120x features: -includes: 10 in. Long 18 GA pigtail leads. -Test/reset button. -Power Supply portion can be used with manual pull stations, flow switches and spot type heat detectors. -Use with interconnected installations. -Sensor type: relay module. -Additional info: smoke relay modules is for a min. Order of 1/ approvals: UL. Product type: -accessories. Generic specifications: -power source: 120 VAC, 60 Hz, .08 amp. Dimensions: overall height - top to bottom: -7". overall product weight: -3 lbs.