With VIZpin you can control access to multiple sites securely and inexpensively. VIZpin lets you send electronic keys to anyone with a Bluetooth phone, perfect for managing employees or contractors . The keys can be “One-Time” keys, great for events, or can last from 15 minutes to 15 year. Change your mind? No problem, VIZpin electronic keys can be revoked easily anytime, from anywhere. And managing multiple locations is simple because your phone is your network and VIZpin works even when Wi-Fi and cellular networks don’t.