Metal Detector with Display Screen 25m Depth 1200m Range Sensitive 1000mAh Underground Metal Scanner for Gold Silver Copper 100‑240V US Plug 100‑240V Item Type: Metal Detector Main Unit Size: Approx. 28.5 x 10 x 5 cm / 11.22 x 3.94 x 1.97 in Display Screen Size: Approx. 12.6 x 8 cm / 4.96 x 3.15 in Material: Aluminum ABS Range: 1200m / 3937 ft Depth: 25m / 82 ft Battery: Rechargeable Ni MH AAA 1000mAh Battery (included) Signal Frequency: 400-470MHz Detection Types: Gold, Silver, Copper, Precious Stones Weight: Approx. 1272.00g / 44.87oz Charging Time: 8-10 hours Purpose: Metal Detection Working Status: 1. With a fully charged battery, install the antenna, turn on the device, and adjust the depth and range for detection. 2. When holding the device steadily without interference, it will swing and oscillate when detecting the specified items. The swing range will increase for larger items.