ECHO SOUNDER FISH FINDER SONAR FISH DETECTOR Perfect gift for newborn parents, newborn mother, newborn father, baby shower, birthday, Christmas, festival and so on. On specific screens, you can get all the data you need, including sea depth, fish behavior, and more. The built-in backlight provides good visibility at night. Wireless sonar with a range of 100 m with sonar sensor for bait fishing boats On a specific screen, you can access all the data you need, including sea depth, fish condition, and more The built-in backlight makes the display clear at night, and the power cord makes it easy to use. The main unit is powered by 4 AAA batteries (batteries not included), making it an ideal tool for outdoor fishing Suitable for fishing in areas such as lakes, rivers and oceans. - Inner mesh panties Color: black Product Size: as shown in the picture Material: ABS Backlight: white LED backlight Sonar: 125 kHz Wireless power consumption: 0,1 W Depth range: 2-48 feet Range: 100 m Sonar beam angle: 90 degrees RF: 433,92 MHz Working temperature: -20 ~ 70 ℃ Size: 2,95*4,92*1,18 inch List of things to pack: 1*Wireless echo sounder (built-in 300 mAh battery) 1*host receiving (excluding 4*AAA batteries) 1 * USB charging cable 1 * Antenna 1 * Lanyard 1* User manual in English 1*color box (random)