Features BEST GIFT FOR CHILDREN: Giving children a metal detector will cultivate their exploration and curiosity, add fun to their daily life, and promote parents to participate in their children's growth way, which is very educational. LIGHTWEIGHT AND SAFE: Our children's metal detector is compact in design and very light in weight. Made of safe and harmless ABS plastic, which is very suitable for children to easily find treasures outdoors for a long time. WATERPROOF AND EASY TO USE: Simply wave the metal detector horizontally on the ground to easily detect the metal below 4 inches of the surface. The closer the metal object is, the louder the sound is, the stronger the signal is, and the LCD screen will d FOLDABLE AND LENGTH ADJUSTABLE: Metal detector can be easily folded into a bag, which is simple and convenient to carry. The metal detector can also adjust the length according to the different ages and heights of children, suitable for people of differe EASY TO ASSEMBLE: After you get the children's metal detector, you can easily assemble it according to the manual. After the first assembly, you just need to fold and open it to use. Specification: Item Type: Handheld Metal Detector  Material: ABS Detection Method: Vibration, sound, vibration and alarm Battery: 1 x 6F22 battery (shipped without battery) Signal Frequency: 3.1KHz ± 1KHz Sensitivity:  US 25 Cent: Approx. 100 to 120mm / 3.94 to 4.72in  Package List: 1 x Handheld Metal Detector  1 x Manual  1 x Accessory Package List 1 x Handheld Metal Detector 1 x Manual 1 x Accessory