The XX-Large sized safe provides a jumbo capacity to protect your important documents, certifications, passports as well as valuables from fire with an extended 1.5hrs of time. It is not only bigger, it is also safer - with extra number of stronger bolts, and a better locking, while keeping all the advanced features of the unique Yale Fire Safe digital touch panel. Features -State-of-the-art digital touchpad -1 billion+ digital combinations -Tested to Yale Global Standards -Code scramble input function for privacy -One time access code -Silent input option -1 to 48 hours total lockdown mode to deny access -Resettable 4-12 digital user code -9V for emergency battery capability -Low battery alarm signal -Time lock when wrong code is inserted -Made in Korea Certificates -Tested to withstand up to 1.5 hours intense fire -Internal temperature will not exceed 150 Degree Celsius in 927 Degree Celsius furnace -Certified by SP (Swedish National Testing & Research Institute) and KS (Korea Standard)