Dunbarton Corporation DUNBARTON WEST CHESTER METAL BI-FOLD DOOR, BRIGHT WHITE, 24X80 IN.

Ideal for controlling access to security sensitive areas in commercial, industrial, educational, governmental, healthcare, lodging, and multi-unit residential settings | Extra heavy-duty Grade 1 lock; cylindrical lockset; solid cast housings and solid cast zinc levers | 1-3/8" to 2-1/4" door thickness | 2-3/4" backset | U.L. Listed - 3Hour Fire rating | ASA strike plate | Non-handed | 1/2" throw latch, floating faceplate | Keyless convenience | Winston lever style | Flexible operational modes: Combination (PIN) entry, Passage (Programmable) & Lockout | User access programmed at the lock | Users quickly added & deleted | Five authority levels allow you to control users' access to various lock functions: Master, Manager, User, Service and Maintenance | Vandal resistant numeric keypad with 12 button, metal keys | Adjustable anti-tamper lockout disables lock after 3 to 9 invalid entry attempts for up to 90 seconds | Adjustable relock time after combination entry from 2 to 20 seconds | Variable length access codes set from 4 to 8 digits | Interchangeable Cores: Small format Best and compatibles (6 or 7 pin length) | 4 AA" Alkaline batteries - located in interior housing. Battery life: up to 150,000 cycles. Provides quick and easy battery replacements for institutions | ANSI/BHMA A156.2 | Audible and visual indicators / Low battery visual indicator | ADA accessibility | Environmental outside housing: -31 degree F (-35 degree C) to +151 degree F (66 degree C) | Finish: 26D (Satin