Specifications: This amazing product is specially designed for amateur and professional fishermen to find out the location of fish, depth and bottom contour of water. The unit can be used in the ocean, river, or lake and is fantastic for detecting schools of fish in any particular area. Wide and clear LCD display. Depth readout from 0.6 to 100m. Fish alarm. Battery saves mode. Selectable sensitivity. Fish depth scale. Water temperature indicator. Water-resistant design. Item Name: Fish Finder Display Type: TN/ANTI-UV LCD Display Size: 4.3cm x 4cm/1.7" x 1.6" (Approx.) Backlight: White LED Power Supply: 4 x AAA Batteries (Not Included) Sensor Beam Angle: 45 Degree Depth Range Max: 100M/328Ft Depth Range Min: 0.6M/2Ft Size: 12cm x 7cm x 2.5cm/4.72" x 2.76" x 0.98" (Approx.) Notes: Due to the light and screen setting difference, the item's colour may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 1 x Fish Finder 1 x Round Sensor (15ft Cable) 1 x Sensor Adapter 1 x Stainless Steel Bolt 1 x Stainless Steel Screw Nut 1 x Strap 1 x User Manual