Handheld needle detectors

Hand Held Needle Detector Scope Of Application Mainly used for detecting needle which drop in knitting, costuming, shoes, socks and etc. It can find the break needle fast and keep people in safety status. Detection method: Magnetic induction Detection sensitivity: Metal darner(0.75× 30) Detection adjustment: 40mm Detection area: 60(w)*25(d)mm Alarm method: BuzzerLamp Designed for small products detection or exact locating. Power source: 9V dry battery Dimension: 65(L)*145(W)