The best...do-it-yourself security devices

Fake TV

The LEDs in this device project light that mimics a TV’s shifting images. It runs on far less energy than the real thing and activates when your empty house gets dark.

$35, faketv.com

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Source: Tacoma, Wash., News Tribune

Brinno PeepHole Viewer

Stop squinting at visitors through a peephole. This gadget mounts in its place, using a camera to feed a clear image to an LCD screen. It’s a “must-have” for seniors.

$91, amazon.com

Source: FluxMag.com

Samsung Smartcam

Set-up for this Wi-Fi camera is simple, requiring only a few button pushes. It records when motion is detected, and streams footage to your computer or phone.

$150, samsungsv.com

Source: CNET.com

Kimber Pepperblaster II

Gun-shy homeowners who want to be able to take down a burglar should consider this product. The “new and improved” Pepperblaster shoots a blob of pepper solution up to 13 feet.

$40, pepperblaster.com

Source: Handguns

2GIG Go! Control Alarm Kit

An elegant touch screen is the control center for window and motion sensors in this reliable home system, sold to both pros and DIYers.

$460, homesecurity​store.com

Source: Wall Street Journal