Our fireproof safes provides an excellent storage option for all your valuable items when both burglar and fire protection are necessary. Fire resistant:110°C inside for not less than 1 hour with 1100°C outside. Electronics override key supplied. High security fingerprint lock is standard. Specifications: Fingerprint capacity: 255 Matching time: <0.5 sec False Accept Rate(FAR): 0.0001% False Refuse Rate(FRR): 0.01% Working voltage: 5V Battery: four 1.5V alkaline batteries