... can be operated with menus in both Chinese and English, easy and convenient. Operating in large temperature range. Highlight ... process, which is abrasionproof, corrosionproof, waterproof, moistureproof, fireproof and anti-shock.(6) Installing color lights on the gateposts ... influence of buckle, key, jewelry, and coin etc., it could detect the knife and handgun, and the highest sensitivity is able to ...