Device page by an independent Vivint Authorized Dealer
Vivint Smart Lock: Kwikset Models, Price and Auto-Lock
The Vivint smart lock is a Kwikset keypad deadbolt with Z-Wave that costs $180 ($3.00/mo over 60 months), stores up to 30 user codes of up to 8 digits, runs about 1,000 lock cycles on 4 AA batteries, and can lock itself on a timer or whenever the system arms. This page covers the models Vivint installs, the price, 7 specifications, the 3 auto-lock rules, and battery and key behaviour.
Prices and terms verified October 7, 2026. Vivint sets all prices; dealer promotions are listed separately.
Which Smart Locks Does Vivint Install?
Vivint installs Kwikset Z-Wave deadbolts, documented by Vivint as the Smart Lock 9910 and described by SafeHome as the Kwikset 888 SmartCode; both are keypad deadbolts that replace the existing deadbolt and keep a physical key as backup. Vivint does not install third-party locks it has not certified, although many Z-Wave locks can be paired by a technician.
How Much Does a Vivint Smart Lock Cost?
A Vivint smart lock costs $180 at retail or $3.00/mo per month on 60-month 0% financing, with installation included in the technician visit; it does not change the monitoring plan, so a HomeProtect system with a lock stays at $24.99 per month.
Smart Lock Specifications
The 7 specifications below come from Vivint's support documentation; where Vivint pages disagree (30 versus 50 codes), the support spec is used.
| Attribute | Value |
|---|---|
| Type | Keypad deadbolt with physical key backup |
| Connectivity | Z-Wave to the Smart Hub |
| User codes | Up to 30, up to 8 digits each (some Vivint pages say 50) |
| Power | 4 AA alkaline batteries; about 1,000 lock cycles per set |
| Battery life | 6 to 12 months typical, per SafeHome testing |
| Low-battery alert | At the panel, the lock, and the app |
| Price | $180; $3.00/mo over 60 months |
How Does the Lock Work With Arming?
The lock follows 3 rules you set in the app: lock automatically after a set number of seconds or minutes, lock whenever the system is armed Away, and unlock and disarm together when a family member enters their code. A code entered at the lock can also disarm the system, so each household member gets one code for both.
The Vivint for renters guide explains that the lock needs landlord consent because it replaces the deadbolt.
Battery and Keys
Use alkaline AA batteries: Vivint advises against lithium and rechargeable cells because they hide the remaining charge and skip the low-battery warning. A physical key opens the lock when batteries die, and the app logs every lock and unlock event with the code used.
Frequently Asked Questions
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