Manufacturer Trine Access Technology Model S005C-8-16VAC/4-6VDC Strike Opening Depth – 5/8″; Width – 23/32″; Height – 1- 1/2″ Faceplate 3-1/2 x 1-3/8 Door Lock Type Cylindrical, Adams Rite Mode Fail Secure Frame Application Aluminum, Hollow Metal Voltage 8-16 VAC/4-6 VDC Current AC/DC Duty Intermittent Sound Buzz Amps 1.3-2.7 Ohms 1.4 Compliances (U.S. Patent #4,984,835) Warranty 1 Year Warranty Weight 1.5000