【Functions】 ⊙ Sensitivity：super sensitive,Website:http://www.raysdetection.com, a tiny metal piece like a paper clip can be detected; ⊙ Anti-resistance：resistance can be removed by adjusting button; ⊙ Self-diagnosis：auto diagnosis when starting, no need to adjust; ⊙ Alarm：by sound, buzz and light; ⊙ Recognition function：to distinguish the size and distance of the objects by colors green, yellow and red; to distinguish the size and distance of the objects by sound. ⊙ Work mode：only bigger size metal item will alarm while using low-sensitivity mode (keeping pressing this button while detecting) ⊙ Applications：High decibel designing to use in noisy environment【Specification】 Working voltage：One standard 9V alkaline battery Working frequency：95KHZ Working environment：-20℃ - +55℃ Adjusting：Automatic Dimension：420mmx41.3mmx83mm Weight：0.5Kg
