Features:1.With LCD display, will show distance of 0.4-100m fish school state.2.With round sensor, accurate detection, signal stability, help to identify fish targets.3.Can be worked minus 20 ~ 70 , good performance.4.Lightweight and compact size, easy to carry and use.5.Wonderful accessory for catching fish.Specifications:Material: ABSColor: As picture shownDisplay mode: LCD displayBacklight mode: HD white LEDPower Requirements: 4 x AAA Battery (not included)Unit of measure: Imperial / meterSensor radiation angle: 45 degreesMeasuring maximum: Approx. 100 m / 328 feetMeasuring minimum: Approx. 0.4 m / 1.3 ft (recommended 0.8 m)Working temperature: - 20 degrees ~ 70 degreesPacking List:1xFishfinder1xRound sensor with 25ft cable1x Stainless steel bolt1x Stainless steel wing nut1x Neck strap1x User manual 1x Holder