Over two million homes use these types of signs and stickers to help deter home thefts. While there is no substitute for a state-of-the-art electronic security system, they can be costly and usually have monthly fees to pay. ALMOST ANYTHING IS BETTER THAN NOTHING! A less effective but lower cost alternative is to use security displays. In some cases they can be enough to deter crimes, but there are no guarantees. Over two million homes display various security signs as crime deterrents- and unless you tell, most people will not know if yours is active or not!