(4 Pack) Warning - Security ALARM and video SURVEILLANCE &ndash; home and office burglar alarm system warning sign sticker to prevent intrusion or break-in. Simple and more secure! This ALARM and SURVEILLANCE sign is a warning sign to criminals coming closely to your home or business, small and effective. This no company specific security alarm warning sign reveals no clue about the mechanism of the alarm system which means more difficulty for experienced intruders. Small size (4.0 inch X 2.6 inch) to balance hospitality and defense, without being an eye sore. It can be applied on your doors, windows, mailbox as well as vehicles, at your home or office. Peel-n-apply back adhesive and pre-cut line for easy peeling. Water proof and weather resistant for years. Please clean the surface before applying the sticker. Discount available for large quantities. Cheap first class shipping in the U.S. Money back guarantee: one month full refund with return.