This manual call point is suitable for unlocking a door in the event of an emergency. By pressing the white plate, the manual call point switches. It is then easy to reset with the supplied key. Replacing the white plate is therefore not necessary. The 2003SGL is equipped with three changeover contacts, red/green LED indication and buzzer with adjustable volume. The manual call point is standard equipped with a plastic cover frame to prevent unauthorized use of the manual call point