Main technical parameters Frequency: 8.2MHz (titunse / ti kii-titunse / sihin / gbona iwe) aami iwọn: Ø30 / 40mm / 30 × 30mm / 40 × 40mm, can be customized Detection distance: 1.20m~1.50m Color: Barcode/White/Black or customer specified Packing: 10,000PC / paali (500pcs / eerun) Akiyesi: JavaScript nilo fun akoonu yii.