Class safe for surface-mounting, electronic code opening from 4 to 8 digits. made of steel, 3 mm front thickness and 1.5 mm body thickness. locking with 2 lateral ø18 mm bolts. features 4 fixing holes of ø7 mm (2 on the base and 2 on the back, screws included). capacity 5 kg / 9 l, for small valuables. includes emergency key and opening block system after 3 incorrect attempts. low battery warning via red led light. power supply: 4 aa batteries (not included). exterior 310 x 200 x 200 mm / interior 300 x 150 x 190 mm