You'll have plenty of entry options with the TL-111. Unlock with one of the backup physical keys. Temporarily enable Passive Mode to keep the door unlocked. Or enter a passcode directly on the keypad. Program up to nine (9) user passcodes and one (1) admin passcode and stored directly on the keyless door lock. With over a million possible combinations, brute-force hacking your access code is virtually impossible. But to make your passwords even harder to crack, we've provided security for your security. Our unique Passcode Disguise feature, enabled by default, protects your entry codes from prying eyes and nosy neighbors.

Built for the DIY crowd, installing the TL-111 electronic door knob is quick and easy. Everything you need for simple do-it-yourself installation is included. No complicated instructions. No special tools required. And our knob-style e-lock is compatible with almost all door types - doors with deadbolts, exterior and interior doors up to 2.16 inches thick, French doors and more.

Get up to 365 days of supercharged security with just four (4) AAA batteries. A low-battery warning notifies you when new batteries are needed. And there's an emergency micro-USB port on the underside of the lock. Temporarily power up the TL-111 using a battery bank, live USB port, phone charger - any power source with a micro-USB port.