2.The thickness of the steel: body is 2mm and the door is 3mm
3.Accessories: one English manual,one velvet pad, two emergency keys, two steel expansion bolts, four AA batteries
4.Panel: there are two colors of EA/ED/EF panel, the price of silver panel is higher than the balck ones.
5.Some models are with shelves,letter delivery hole can be designed
6.Suit for hotel, company, school, govement,family and ect