HawkEye DepthTrax - 1H Handheld Depth Finder. However the ultralight DepthTrax 1H Handheld Depth Finder lets you aim its beam wherever you want to see like an underwater flashlight. One slide of the magnetic switch gives real time depth readings while another slide will indicate the current water or air temperature. This device delivers precise depth readings up to 240ft and features Shoot-Thru Technology that allows you to take readings through ice and boat hulls. All information will can be read on backlit liquid crystal display. Specifications for HawkEye DepthTrax 1H Handheld Depth Finder: Manufacturer: HawkEye Color: Red Features of HawkEye DepthTrax 1H Handheld Depth Finder: Delivers precise depth readings up to 240 ft Provides air and water temperature readings Backlit liquid crystal display Shoot-Thru Technology allows for readings through ice and boat hulls Magnetic on/off switch (no external metal parts) Diver designed waterproof rating to 150 foot depths 2 year warranty with 24 hour online technical support Package Contents: HawkEye DepthTrax 1H Handheld Depth Finder HawkEye DT1H: DepthTrax - 1H Handheld Depth Finder