Features: 100% brand new and high quality The devices has three detection modes: audio, vibration, audio and vibration, you can change the modes for your different needs. IP68 waterproof grade, you can use this product underwater, not just limited to the ground, to expand your detection space. Lost alarm function: With this function, it is easier for you to find the device in order o avert you lose it, if the button is not pressed or the device does not detect any tar get within 1 minute, the missing alarm will be activated. The device starts to beep at short intervals, and the LED flash starts to flash for 30 seconds. After that, in order to save power, the equipment will automatically shut down. This device allows for a quick transformation from the scubadetector into a pinpointer, save your time and money. With the dive mode and the sensitivity has 3 level for you to adjust, you can change it for your different needs. Package Includes: 1 x Control Unit 1 x Pointer Coil 1 x ScubaCoil 1 x User Manual Specifications: Material: ABS Working principle: pulse induction Operating frequency: 3khz Waterproof level: IP68-60m Power: 1 x 6F22 alkaline battery (NOT included) Detection mode: audio, vibration, audio+vibration, LED Sensitivity: 3 level adjustable Item weight: 453g / 1.0lb Package size: 290 x 223 x 81mm / 11.4 x 8.8 x 3.2in Package weight: 747g / 1.6lb note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.