The Oxford Key Safe is perfect for safely storing keys or small valuable objects. Just set the 4-digit combination code and share with other people you wish to gain access like holiday guests, family members and vehicle rental.Sturdy aluminium alloy housing with sliding shutter door.Resettable 4-digit code.Mounts on wall with screw fittings.Exterior housing dimensions: 87 x 120 x 40mm.Interior housing dimensions: 63 x 91 x 30mm.The shutter door protects the combination lock from the weather and prying eyes. For extra security mount to an internal wall or protected outside area.