Master Lock 5 in. H X 3-1/4 in. W X 2-5/16 in. L Die-Cast Zinc 4-Digit Combination Bluetooth Electro

Bluetooth Wall Mount Lock Box. Monitor who visits and when through the App and notifications. Easily installed using hardware supplied with the lock box. Large capacity to hold key cards or traditional keys. Long life battery is easily replaceable. Solid body durability and coated surface to protect hardware and door finish. Works with the free Master Lock Vault eLocks App.