Electronic Deadbolt Locks with Keypad for Password and Key access - PrimeCables®This electrical deadbolt supports keyless entry with a motorized driven deadbolt and a single button touch locking experience, it has visual and audio indications for operation and low battery status, this deadbolt is easy to install with just a screwdriver, it can be operated by keypad or key outside and thumb turn inside, fits door thickness from 35mm to 45mm. the door latch is adjustable to fit 2-3/8’’ and 2-3/4’’ backset door.Features:Zinc alloy body frameHarden steel mounting plateKey or keyless entryUsing AA battery to power