Wirecutter - Thursday's best deals

Ring Video Doorbell Wired

Deal price: $45 | Street price: $60

A smart doorbell camera allows you to see who’s outside your door, even when you aren’t home. The Ring Wired Video Doorbell is easy to install and delivers solid performance for the price. While it doesn’t have the bells and whistles of our other picks, it will give you clear video (1080p) and audio. In addition, the required monthly subscription fee for motion recording is a bargain at $3 per month or $30 per year.

Monoprice Strata Home Sous Vide Precision Cooker 800W

Deal price: $45 | Street price: $60

A sous vide machine allows you to cook foods slowly and precisely, and is beneficial to people who love playing around with new recipes and cooking techniques. The Monoprice circulator does exactly what it's supposed to: It gets water to a specific temperature and keeps it there. It's efficient and inexpensive, making it a great introduction to sous vide cooking for those that don't want to splurge on more pricey models.

Fitbit Charge 4 Fitness Tracker

Deal price: $100 | Street price: $120

A wearable fitness tracker can help you monitor your steps, strides, sleep, and more. Of all the trackers we’ve tried, the intuitive-to-use Fitbit Charge 4 is among the most accurate for measuring steps and heart rate, plus it has more than 20 activity modes. It can automatically record a wide range of activities, and the responsive touchscreen display, well-designed menus, built-in GPS, and best-in-class app make it easy to use and customize.

Coway Airmega 200M Air Purifier

Deal price: $130 | Street price: $200

The Coway Airmega 200M is virtually identical to our top air purifier pick, with comparable controls, noise, and performance. And, like our top pick, the 200M also has a display-shutoff feature that allows you dim its lights, something that's very valuable for bedroom use. It's a great performer, and after a half hour of running on its highest setting, it can reduce particulates by over 99% on new filters.

Roborock S4 Max Robot Vacuum

Deal price: $310 | Street price: $430
Use promo code ROBOS4MAX & clip the on-page coupon

The Roborock S4 Max is a brilliant navigator that can thoroughly clean most homes, giving you maximum control over where, when, and how it operates. It can learn your home’s layout in just one cleaning session, after which you can send it to clean specific rooms while also avoiding any no-go zones. The S4 Max has enough oomph to suck up almost anything from a bare floor, and its brush can pick up surface-level debris from most carpets.

The Best Swim Goggles for Adults and Kids

We spent 50 hours using 33 pairs of swim goggles to bring you the best pairs of goggles for adults and kids.

What’s the Best Blender for Smoothies?

A thick, silky smoothie is one of the hardest things to make in a blender, so we think the best blender for smoothies is the best blender overall: the Vitamix 5200.

The Best Solar Camp Shower

After 24 hours of research, we found the best solar camp shower for fair-weather campers that can make even an on-trail cleanup surprisingly pleasant.