Material: zinc Alloy Access solution:fingerprint, RFID card, password mechanical key Mortise : Stainless steel card users 300,fingerprint +card +password, Fingerprint identification time 1s Fingerprint false acceptance rate 0.00004% power supply:4.5v-6.5v (4pcs AAA alkaline battery) A mechanical key can unlock in case of emergency. Intelligent voice navigation is easy for lock setting system exist automatically after 8sec without any operation secure latch can protect from any break in attempts.