A gangly-looking motion detector floodlight is fine for scaring off a backyard intruder, but it doesn't look good on your house. A remote-style motion detector is a better choice. You can connect it ...

The motion sensor feature activates from a 10-foot range, eliminating the need to turn your overhead lights on and off.

Amazon Echo’s built-in ultrasonic motion sensing can let you easily automate lights and fans with Alexa routines, without buying anything else.