The RYOBI TEK4 Digital Lock Box MDL RP4310 is a keyed lock system with the convenience of using digital entry. This model comes with a key included for easy access. While it may not work for its intended purpose, it can still be used for repair or as a spare part for other RYOBI TEK4 lock boxes. The brand, Ryobi, ensures quality and reliability in home and garden hardware, making this lock box a solid choice for those in need of a secure entry solution.