The Sygma is a mains powered track alarm complete with battery backup. The system is easy to operate via a keypad. Up to 10 tracks can be connected to one alarm making the Sygma a cost effective method of protecting items on display. If a protected item is tampered with the alarm sounds, and the LEDs on the tracks or accessories light up to show exactly which items are affected. The LED display will show how many items are at risk. Also available in white.