Item Type: Metal Detector Material: ABS Weight: Approx. 7.4 oz (210 g) Product Size: Approx. 9.4 x 1.6 x 1.6 x 1.6 in 1 Sensitivity distance to detect dollar coin: ≥5 m / 16.4 ft Detection Method: Vibration, voice alarm, 4 modes can be adjusted, and long press the switch button to adjust mode for 3 to 4 seconds.A: Low sound + vibration sensitivity b: Sound + Vibration Sensitivity c: Low vibration sensitivity D: High vibration sensitivity Waterproof: 10M / 32.8Ft underwater Fully waterproof power supply: 9V battery (battery not included) Working environment: Temperature: -4°F - 140°F (-20°C - 60°C) Color: Black & Red Package List: 1 x Metal Detector (Batteries are not included)