Key Drop Box With Smart Lock For Outside Wall Mount, Key Return Box For Autom

[4 UNLOCK WAYS] 1,Spare key unlock. 2,Password unlock,OTP unlock, fixed password unlock. 3,App unkock. Well Made: The key drop box is 100% made of 0.6 mm cold rolled steel. When the lid is lifted, the circular roller underneath the drop slot will follow, and when the gap in the circular roller is exposed we can drop the key Wdie Scenarios: WeHere Large Key Drop Box can be used for keys, cards, car keys and other small valuables temporary storage at hotel,car rental after hours. After-Sales Service: Please contact us by e-mail, the e-mail address in the APP--Account--about us to view Easy Setup and Maintenance: Simple installation with included instructions; powered by 2 AA alkaline batteries, with battery level visible in the app for easy monitoring