Feature: 1. Long Endurance: Portable depth finder works continuously for at least 45 hours on a new battery, and it can work for longer by switching on the power saving mode. Specification: Item Type:FishFinder Material: ABS Batteries: 4 x AAA Batteries (Not Included) Detector Cable Length: 25ft Display: TN, ANTI UV LCD Backlight: High Light LED Sensor Beam Angle: 45 Degrees Depth Range Maximum: 100M/328Feet Depth Range Min: 0.6M/2.0Feet Operating Temperature: -20C to 70C Features: This portable fish finder is suitable for ice fishing, kayak fishing, shore fishing and sea fishing. It is one of the best fishing kayak accessories for your friends or family. It detects and shows the depth of the water, the approximate location of fish, weeds and rocks on the seabed. They will be amazed at how many fish they can catch with this fish finder. Package List: 1 x Display 1 x Sonar Sensor (Battery Not Included) 1 x Probe Holder 1 x Fixing Screw 1 x Lanyard 1 x Manual Note: Manual measurement please allow some errors.