On the Internet or in hardware stores you can get simple wireless alarm systems from 1,500 Swiss francs. For 3,000 to 6,000 Swiss francs you can get a wireless alarm system and for 6,000 to 12,000 Swiss francs a wired alarm system from a professional - competent advice, expert installation and professional service included. Security is a reassuring feeling. That's why you shouldn't save in the wrong place when investing in your security.