Keypad locks let you open your door using a code rather than a key. It’s a convenient option for people who often misplace their keys, but also handy for Airbnb hosts, dog owners who need to grant walkers access, or home owners who want to let their friends crash at their place when they’re out of town. Here are three popular keypad locks to consider.

A cheap and effective keyless lock. Amazon

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The Kwikset Powerbolt 2 auto-locks after 30 seconds, and is fairly easy to install. You can program up to six user codes for entry and a “one-time user” code for people you want to let into your home exactly once.

Unlocks when you approach your home. Amazon

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Replace your existing deadbolt lock this motorized smart deadbolt, which connects to your smartphone via Bluetooth. The door unlocks when you approach. You can even set up 20 unique pins so you know when others are going in and out. This device can be charged via a microUSB plug. It comes in three finishes—Black, Chrome, and Gold.

A sleeker connected choice. Amazon

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For a higher price, this Yale keypad lock features a sleek design and gratifying mechanical noises that accompany entering your code successfully. It pairs with Alexa, Google assistant, and Siri, and even has a feature that senses your arrival (via your phone) and unlocks the door automatically for you. From the app, you can be notified to see who comes and goes, which makes it great for families.