Cal-Royal NM8080 Series, Extra Heavy Duty Mortise Locks, Grade 1 - ESCUTCHEON TRIM STOREROOM Function F07, Left-Hand (CE-TE) Hollon HDS-500E Data Safe One Hour Fire When visitors press the doorbell

When visitors press the doorbell button on the door viewer camera the doorbell will ring inside of the room

Material: Brass body

and prying attacks

There are also heavy duty hinges as well

Cal-Royal NM8080 Series, Extra Heavy Duty Mortise Locks, Grade 1 - ESCUTCHEON TRIM STOREROOM Function F07, Left-Hand (CE-TE) Hollon HDS-500E Data Safe One Hour Fire When visitors press the doorbellStoreroom Function: Latch bolt operated by key from outside or rotating inside lever, outside lever is always inoperative. *** Auxiliary deadbolt latch. Any door in commercial or institutional buildings where the best auxiliary Mortise deadbolt locks are required Backset: 2 ( 70 mm ) Door Range: 1 ( 44 mm ), available to 2 (57 mm ). Specify thickness if other than 1 Deadbolt: 1 ( 25 mm ) throw, stainless steel, can withstand cutting or sawing