Door Metal Detector

AUTOMATIC ZERO ADJUSTMENT • QUICK INSTALLATION – NO TRAINING REQUIRED • IGNORES EXTERNAL METALS • 10 LEVELS OF SENSITIVITY • 10 STEP BAR-GRAPH INDICATOR • INTELLIGENT COUNTER FOR TRAFFIC ENTRY, EXIT & ALGEBRAIC SUM • PIEZOELECTRIC BEEPER FOR INDICATION OF METAL • WALK AND STOP INDICATORS TO REGULATE TRAFFIC • DETECTS ALL METALS, ALLOYS AND FERRITES • LOW FIELD STRENGTH - NO EFFECT ON PACEMAKERS & MAGNETIC MEDIA • SMPS POWER SUPPLY FOR USE WITH 90V TO 270V • BUILT IN FULL-FUNCTION BATTERY BACKUP FOR OVER 12 HOURS.