This metal detector is made of premium and safe material, which can withstand the use. The long battery life can meet the continuous needs. With it, you can easily find or detect some metal items in different occasions. Features - Color: Black - Material: Metal - Size: About 35.00X14.00X4.00cm/13.76X5.50X1.57in - Owning the strong wear and break resistance ability, very durable. - It is suitable for office, family, hotel, outdoors and other occasions, with a wide ranges of applications. - With a large detecting probe area, fast detecting speeds, designed to meet the exact requirements of security. - High sensitivity, realizing the detection of bulky goods and very small metal objects. - Can produce different alarm tones according to the size of metal, in noisy environment can be connected to the earphone. Specification - Detection sensitivity: 2.0mm steel ball - Power supply: 9V battery (6F22ND) - Power consumption: 220mW - Operating current: less than 50mA - Operating temperature: -10 degree centigrade-50 degree centigrade Package list: 1 x Detector Wand