1) LED display.Use card
2) Opening & closing with 3-6 digit personal codes and 6 digit master codes
3) Low energy consumption: 4 *AA (1.5v) alkaline batteries included
4) 3 incorrect entries auto locking system
5) Emergency system: Computerized Emergency Unit / Mechanical emergency key
6) Pre-drilled fixing holes
7) Unique spray coating technique. 8)thickness (body/door): 2/5mm