... .headphone jack 3.handle metal detector 4.sensor sensitivity :10cm Hand Held Metal Detector CT900 Characteristics:* It is easy and convenient to ... (6F22ND)3,Power consumption:220mW4,Current:more than 50mA5,Operation temperature:-10°C to 50°C6,Net weight:350g7,Dimension:410 ... *15mm8,Package size :380*210*45mm(18PCS/Carton) Easy Rechargeable Hand Held Metal Detector CT900