• Simple to install in minutes--no tools, wiring or special skills needed; virtually foolproof
• If door or window is moved alarm instantly sounds PAINFUL 100 dBa screech to confuse & frighten intruders
• Alarm sound carries hundreds of feet to alert others of danger; disarm with flip of switch
• Operates for months on 3 easy-to-replace watch-cell batteries (included); unaffected by power failures
• Set of six alarms & sensors, each works on doors, windows, cabinets--any point of vulnerability

A simple and inexpensive but highly effective alarm system to protect you, your family and your property. Mount sensor on door, mount alarm base adjacent to sensor on door frame. The instant sensor moves more than one-half inch from base, ear-piercing alarm is triggered. Equally effective on window movement or glass breakage; instant security for RVs, boats--even hotel rooms. Lightweight components attach easily and inconspicuously with included mounting tape on wood, metal, glass, fiberglass. Overall dimensions; alarm base 2-1/2"H x 1-1/4"W x 1"D, alarm sensor 2"H x 1/2"W x 1/2"D. Ivory color blends with any decor. One-year warranty and Jack's Tool Shed worry-free Satisfaction Guarantee.