TownSteel's e-Genius Smart Interconnect Lock offers a double-locking feature with ANSI/BHMA Grade 2 Security, for residential and multi-family housing. The design provides the ability to lock or unlock from both the inside and outside with single motion egress. It’s programmable with up to 99 pin codes, and 800 MIFARE RFID cards/stickers capacity per lock. It also has a mechanical key override and offers a secure multi-functional app that allows a wide array of programming via an encrypted WiFi link. It’s powered by 4 AA batteries and no hard wiring is required. More Info: www.townsteel.com