Lockin Lock Box L1, Wireless Smart Lockbox for House Key Outdoor Wall Mounted Door Hanging, App Control Digital Bluetooth Key Safe Remote Access Pin Code for Outside, Airbnb Hosts, Realtor, Car Key :
Populife:A Smart Key Box with Bluetooth & Remote App Control by Populife Technology — Kickstarter
Digital Key Safe - Smart Digital Lockbox
K1 Smart Lock Box with smartphone app from $69 - Geeky Gadgets