1)Weatherproof - Fully resistant to rain, snow, temperature extremes, humidity, UVand dust.2)Sliding weather cover triggers sensor to power on automatically and deadbolt tore-engage(no tricky buttons to push or PIN Codes to recall). 3)One inch brass deadbolt with case-hardened steel roller pin to resist sawing.4)Non-Handed - will fit any left or right handed door.5)5)over 6 kinds of color/finishes for customer's option.6)CE & FCC approved. producing area:China