GC-1002 Hand Held Metal Detector — 22kHz working frequency, High/Low sensitivity এবং Sound, Vibration ও LED Alarm সুবিধাসহ একটি compact security metal detector। 30–60mm pin detection range এবং 9V battery-তে up to 40 hours continuous operation। Security checking ও inspection-এর জন্য আদর্শ।