This needle detector is 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: Buzzer, Lamp

Designed for small products detection or exact locating.

Power source: 9V dry battery

Dimension: 65(W)*145(L)*45(H)mm

Weight: Appr.200g