Product Details Dimensions: H200 x W420 x D370 MM. Display: LCD. Best Selling New Design Hotel Safe Laptop Safe. Motorized locking system, with LED display. Guest code 4 or 6 digits PIN code. Powered by 4x1 .5V AA batteries. Mechanical override available. 20mm diameter double bolts lock. Audit trail of last 200 events. Suitable for closet or wall fixing (bolts included). Security lock-out after 3 failed attempts, lock -out of 15 minutes. 2pcs pre-drilled holes at the back and 4pcs pre-drilled holes at the bottom (Fixings included). Advantage: Stronger due to added reinforcement at the bottom. Lower possibility of the door corner drops during transportation as we make bigger hinge. Door is not so easy to get moved as the gap between door and door frame become smaller. Extra USB port for emergency power supply when batteries dead.