Metal Locator 25m Depth 1800m Range Sensitive 1000MAH Gold Finder for Outdoor Gemstone 100‑240V EU Plug Item Type: Metal Detectors Material: ABS Gross Weight: 801g/28.3oz Working Status: 1. When the battery is fully charged, install the antenna, open the host, and adjust the depth and range search function to detect. 2. When the hand held is stable and there is no other interference, the object to be detected will swing left and right, and the swing range will increase when the object to be detected is large. Product Size: 16.5x15.5x8CM/6.5x6.1x3.1in Range: 1800m Depth: 25m Battery: NiMH rechargeable battery, AAA, 1000MAH,shipped with built in battery Signal Frequency: 868MHz Detection Type: Gold, silver, copper, gemstone Charging Time: 10-12 hours