Manufacturer Trine Access Technology Model 005C-8-16VAC/4-6VDC Strike Opening Depth – 1/2″; Width – 9/16″; Height – 1- 1/2″ Faceplate 1-3/8″ x 3-1/2″ 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