Description Heavy duty vault style door and muti-walled body Special fireproof material (Foaming concrete) Three-way life locking bolts & one way die bolts UL certified 1 Hour fire-resistant rating Ensuring the inner temperature less than 177 degree (350F) while exposed in 927 degree (1700F) flame for one hour 1 adjustable & removable shelf Excellent power coated finish in deep grey colour body and light grey colour for door Code : programmable electronic lock , open with 4-8 Digit code (User code & Master code)and Knob Display: display with a Clear LCD for status monitoring Year, Month, Date setting Times of latest 12 opening records Key: supplied with 3 chromed Keys Alarm function for abnormal operation Override key: supply the override key for emergency use & Emergency batter box included Battery: run on 4*1.5v AA batteries