50 litre safe with fingerprint-touch technology for quick access; ideal for storing important documents, jewelry, and other valuables; achieve greater security compared to a keypad Biometric fingerprint sensor with 500 DPI semiconductor; excellent match speed of less than 1 second; holds up to 50 individual fingerprints; touch lifetime could reach 1,000,000 times Heavy-duty carbon-steel construction (8-gauge steel door and 14-gauge steel body); 2 live-door bolts and pry-resistant concealed hinges for superior security Back-up key for emergency use; includes pre-drilled mounting holes and hardware for floor and wall mounting Exterior measures 35 x 33 x 50 cm (L x W x H); interior space measures 34,5 x 27 x 49,5 (L x W x H) Contains one M8*60 expansion bolt, Weight: 39.192017240264 pounds, Manufacturer: Amazon