HC-SR501 Adjust IR Pyroelectric Infrared PIR Motion Sensor Detector Module for a

Magnetic Induction broken needle detector can adjust needle detector

US $80 / pc

Min. Order: 10 pc

Hair detector | 10X-50X-200X adjustable focus | hair detection system

High sensitivity adjustable hand held metal detector MD3003B1 with 9V battery

US $1 / pc

Min. Order: 1 pc

Sewing Needles Detector PORTABLE NEEDLE DETECTOR

US $22.4 / pc

Min. Order: 100 pc