Manufacturer Adams Rite Model 4612-2 Dimensions Housing 180: Stamped steel, approximately 1/16″ thick. Long (180 swing) 20-5/32″ long. Application Available for applications in aluminum, hollow steel or wood door and frames Hand Non-Handed Power Requirements This device is intended for low voltage use only (30 VAC, 42.5 VDC, 10 W max) Certifications AMQV-Flexible Connector for Burglary Protection GVUX-Misc Fire Door Accessories U.L. Listed UL Listed Warranty 3 Year Warranty Weight 2.0000