The igloohome Smart Keybox 3 Intelligent Lockbox is bigger than ever before. An upgrade on the previous model, this smart lockbox comes with enough room for house keys. It even holds car key fobs and other access cards. In fact, it’s now 2 1/8 inches deep rather than just 1.5 inches deep. And the great part is that anyone you want to hand off your key to doesn’t have to download an app. Instead, you can send your PIN to..