DOOR ALARM USED TO PREVENT UNAUTHORISED EXITS AND ENTRIES THROUGH EMERGENCY EXIT DOORS. IF THE PROTECTED DOOR IS OPENED, THE ELECTRONIC DEVICE EMITS AN EAR PIERCING ALARM FOR 30 SECONDS, 3 MINUTES OR CONTINUOUSLY (AS PRESET BY THE USER). A KEY OPERATED OVERRIDE FACILITY WILL SILENCE THE ALARM AND ALLOW AUTHORISED EXITS. THE DOOR ALARM IS MADE MORE POLYCARBONATE. POWERED BY 9V PP3 ALKALINE BATTERY (INCLUDED. INCORPORATES A 12/24 VDC CONNECTION. 40 MILLIAMP 9 VDC TRIGGER OUTPUT.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S: GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8531-ELECTRIC SOUND OR VISUAL SIGNALLING APPARATUS (FOR EXAMPLE, BELLS, SIRENS, INDICATOR PANELS, BURGLAR OR FIRE ALARMS), OTHER THAN THOSE OF HEADING 8512 OR 8530 GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 853110 BURGLAR OR FIRE ALARMS AND SIMILAR APPARATUS CN CODE 85311030 - OF A KIND USED FOR BUILDINGS ALSO CLASSIFIED IN ACCORDANCE WITH: HARMONIZED SYSTEM EXPLANATORY NOTE E(1) TO HEADING 85.31