Features:
♦ The door will be opened automatic after inputting correct code.
♦ Show all basic user information in a LED with background light.
♦ Buzzer alarms for 60 seconds for 3 attempts with an incorrect code.
♦ Buzzer alarms for 60 seconds for 3 attempts with an illegal card.
♦ Buzzer alarms when unlocking under the voltage DC 4.4V±0.2, notifies to replace new batteries.
♦ Any incorrect digits code can be input before inputting the correct code.
♦ Unlock the safe in case of failure and hidden cylinder design.
♦ A 9v battery is for emergent power supply when internal batteries in low voltage.
♦ Audit trail the latest 300 pieces of unlocking information by software.
♦ Unlock the safe in case of failure and hidden cylinder design.



Parameters:
♦ Material: High thick quality steel plate
♦ Surface finish: Sprayed powder beautiful and durable
♦ Color: Beige or dark grey
♦ voltage: DC 6.4V, 4 Χ AA alkaline batteries.
♦ Alarm critical voltage: DC4.4±0.2V
♦ Static current: ≤30uA
♦ Dynamic current: ≤350mA
♦ Working temperature: 0°C∼55°C
♦ Opening time: 4∼6 seconds
♦ Code digits: 4∼9 digits