... -710KProduct details ModelJZQ-710(K) High load & Anti-jamming Automatic Needle DetectorDetection Method Magnetic field induction, ... , baby products, knit goods, underwear, hardware buttons, zippers, socks, non-woven fabrics, embroideries, kimono, beddings, towels, carpets, ... light, and frequencyCan calculate the qualified and unqualified amountStrong anti-disturbance (no wrong alarm to the ceiling fan, ...