Manufacturer Alarm Lock Model PDL4100-US26D Entry Features Keypad, Proximity Sensor, Audit Trail Finish Satin Chrome US26D Handing Non-Handed Backset 2 3/4″ Standard. 2 3/8″ backset also available. Door Thickness 1 5/8″ to 1 7/8″ standard. For 1 3/8″ doors use HW567 & HW569 spacers. Operation Privacy Pushbutton Push button on inside door to temporarily lock-out keypad codes (programmable option) Operating Temperature -31? to +151?F (-35? to +66?C) Keypad Weatherproof, all metal, 12-button programmable for multi-level access functions. Proximity antenna housing molded of ultra high strength, impact resistant Lexan. HID Proximity Reader Built-in, weather-sealed HID reader supports virtually all HID cards and HID fob credential formats. Audit Trail Lock’s activity log can be extracted by using the AL-DTMIII (data transfer module), the AL-PCI2 (PC interface) and/or can be on-site printed using the AL-IR1 (hand-held infrared printer) Strike 1-1/8 x 2-3/4 T strike standard. With screws for wood or metal jambs. 1 1/4″ x 4 7/8″. ASA strike also included. Power 5AA alkaline batteries, supplied. Audible low battery alert, visual and audible entry indicators, 60,000 cycles typical. Door Prep Standard ANSI A115 Series Prep, modified by adding additional through-bolt holes. Programming Locking modes, event schedules, group, individual, master, management, passage, emergency service codes. Lockout, remote override capability and allowable entry time (3, 10 or 15 seconds), are programmable through the keypad, AL-DTMIII or Alarm Lock’s DL-Windows PC Software. Standard Key Override Cylinder Solid brass 6 pin tumbler cylinder keyed 5, SCI keyway, furnished in all K.O. models. Tailpieces for Schlage (HW580) & Lori (HW620) cylinders (furnished). Compliances BHMA Certified Grade I, heavy duty cylindrical lockset, UL listed to the 10C Positive Pressure Specification. Latchbolt is UL listed and 3-hour fire rated, FCC certified. ADA compliant levers. ANSI/BHMA Durable BHMA Grade 1 Lockset Warranty 2 Year Warranty Weight 10.0000