The Tapplock One+ is great for a shed, gym locker, or any other container full of secrets (or, you know, tools). The weatherproof smart padlock holds a charge for a year, so you don't have to worry about it dying on you, and features a built-in fingerprint scanner that you set up through an app on your smartphone. Instead of having to remember a combination, place your finger on the scanner and it unlocks in about 0.8 seconds. The lock has an adaptive algorithm that gets quicker and more accurate the more you use it. It's also perfect for families or a business, since you can store up to 500 separate fingerprints and allows you to share Bluetooth access from far away. If the fingerprint scanner isn't working, you can use the app on your phone to unlock it or input a programmed morse code using the power button. A red LED blinks on the front of the lock when the battery is low. Charge overnight and you'll get another full year of battery life. The shackle is made of a 7mm reinforced stainless-steel. $99.