Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si [Fully Waterproof]Submersible to 100feet/ 30m underwater, with orange color to add visibility underwater.Perfect for snorkeling and scuba diving. [Easy to Install and Use]Just charge it and press the switch button for 1 second to turn on. A flashing LED light indicates that the device is turned on. [Vibration & LED Light Function]When a target is located, the handheld pinpointer signals with pulses of vibration and flashes of bright light, helps you find metal easier. [Accurate Detection]This pinpointer have DSP chip that can accurately identify a of metals including coin, gold, silver, iron, aluminum etc. The 360scanning and IP68 waterproof probe makes it an Perfect tool for digging treasure along the shore, on the beach, in your backyard etc. sealed design allows detecting in any environment including grass, mud, dirt, sand, black sand, or even in water (Whether in or salt water). [Long Battery Life]By one charge, this metal detector can last 24 hours. If no metal is detected within one minute, the unit will automatically turn off. Built in low battery sensor alerts you when the battery is low and needs replacing. Operating Frequency:3KHz Sensitivity: 8-12CM (25 cents coin) Tuning:Automatic or manually (retune) Temperature range:-15 to +70C Indicators:Audio / Vibration / LED Type of battery:2 * Rechargeable lithium batteries(1500 mAh) Battery lire:7-10 days when fully Power consumption current:25 mAh Colour:orange Material:plastic Package Contents: 1 x Metal Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.