Large size electronic key storage safe case featuring 3 interlayers with 245 key hooks, meeting the high need of keeping a large number of keys Digital entry with 8 numbers PIN code for securing your keys; 2 handy back-up keys for emergency, allows you to maintain the total control of this lockbox Smart LED light - green light for correct password, yellow light and beep feedback for wrong password and red light for power used up Time out period of 20 minutes gives better protection after 3 incorrect combination attempts; Easy to install with accessories Multi-use - suitable for property managers, car dealerships and repair shops, establishments that offer valet parking services, or for individuals who have a lot of keys; Overall Dimension(LxWxH): 14