digital password safe lock parts for hotel home safe

Products features and technical data:
Led display and 3-6 bits guest code and master code.
Three times wrong input will lead the system be locked for five minutes.
Micro-motor driven
Audit trial function for option which can track the last 1000pcs unlocking records.
The hand unit device can open the safe door,too.
Two live bolts to lock  the door
Include the whole set keypad panel,pcb,electronics and mechanism
Power supply 4XAA alkaline batteries
With lower voltage alarm when less than 4.8V
With mechanical keys for emergency
Suitable to match hotel safe or home safe