The Yale value safe range uses digital keypad code entry with key back-up. These safes offer 10,000 possible combinations using a 3-8 digit programmable code, plus a time lock feature which operates after 3 incorrect entries (20 secs) and 6 incorrect entries (6 minutes). 16mm locking bolts are retracted by the handle once the correct code has been entered or back-up key is used. LED light indicators - green to open, red for error and Low battery warning. Each safe is supplied with fixings, batteries and 2 keys. This safe also comes with pre drilled holes making it floor fixable.The Yale Medium Value Safe has the following specification: External Size: 250 x 350 x 250mm.Internal Size: 240 x 340 x 240mm.Weight: 8kg.Additional Information:Safe Type: Digital