Smart home gadgets are getting sneakier in the best way possible. The new Lorex 2K Smart Wi-Fi Lightbulb Camera is a perfect example. At first glance, it just looks like a chunky LED bulb.

The X4 Air is lighter and thinner than the X4 while bringing a slightly larger image sensor (1/1.8-inch compared to 1/2-inch), and it’s also cheaper, with a starting price of $399, making it the ...