✦ Fish Finder and Depth Finder : It is a portable fish finder that could display approximate fish location and water depth The sonar transducer can be attached to the hull of kayak or boat in order to understand the changing of water depth when you are moving by The water depth detection range is between 3ft(1m) and 328ft (100m) when the transducer ✦ Helpful Data Display : Besides fish depth and water depth, the handheld fish finder will also display short & tall weeds, sand & rocks on the bottom. Meanwhile, the measurement unit of the depth can be freely switched by feet or meter. The display is also visible in sunshine or darkness by turning on the back light. ✦ Handheld & Portable : The size of kayak fishfinder is designed for just one hand held. You will find a neck strap in the package which allows you to wear it around neck when you are busy on the kayak or boat. Meanwhile, 5 levels sensitivity adjustment makes fishing possible both in clear water or turbid. ✦ Fish & Fish Schools warn: Once the toss fish finder transducer into the water and turn on the display unit, you will get warn when fish or fishing schools passing by. The portable fish finder can be working continuously for at least 4-5 hours with battery. It can be working even longer by turning on battery save mode. ✦ Ideal for Fishing & Fishing : It is easy to use depth finder in boat fishing, ice fishing, shore fishing no matter in freshwater or in saltwater. If you are looking for a for your husband, father, friends or any anglers, then look no further, the fish finder is now better than ever. Specifications Color: Yellow Material: Plastic Power Source: 4 x AAA batteries (not included) Depth Range: 0.6m - 73m Origin: Mainland China Package Contents: 1 Set of Sonar Fish Finder 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