The Kitchn on MSN

If Your Home Smoke Alarm Doesn't Have This Symbol, It's Time to Replace It

If the alarm does meet these specific standards it will have a marking from UL or ETL, or phrasing like "conforms to UL 217" ...
CNET

The Ultimate Security Hack: 7 Tiny Devices That Burglars Will Never Spot

A light bulb security camera removes all the hassles of a camera installation for a smaller, simpler setup. You simply screw ...