1、Functions: Displays fish size, water depth, water temperature, air pressure, fish location and bottom grass rock, user selectable sensitivity, depth unit. 2、Operating Temperature: This portable fish finder has an operating temperature of 14℉ to 122℉ (‑10℃ to 50℃). 3、Scanning Depth: The beam angle is narrowed by 45 degrees and the scanning depth is increased to 100 meters. 4、Applicable Occasion: Know the depth of the reservoir, the location and depth of the fish. Ideal for night and day fishing. 5、Prime Material: This portable fish finder is made of premium material, durable and not easy to be damaged, can be used for a long time and bring a good using experience. Item Type: Fish Finder Material: Plastic Weight: 810g / 28.57oz Display: 2in Depth Capability: 328ft (100 meters) Wireless Sonar: 200 Hz 45 degree beam angle Batterry: 4 x AAA batteries (not included) 1 x Fish Finder 1 x Transducer 1 x Accessory 1 x Lanyard 1 x Instruction Manual