Fenotek's Smart Doorbell

French startup Fenotek launched a wireless and GSM-enabled video doorbell, dubbed Hi). This smart doorbell can recognize familiar faces with a real-time app notification that allows homeowners to confirm identities. Just as importantly, the device detects strangers approaching the house, and notifies the user through Fenotek's companion iOS and Android apps. This gadget features 24/7 video monitoring, as well as in-app door control and alarm triggers. Fenotek's smart doorbell is available for pre-order at $299.