brand new quality PRODUCT SPECIFICATION OF FFC1108-1: 1) Display: 2inch TN/ANTI-UV LCD 2) Back lighting: White LED 3) Depth Capability: 328feet(100m) 4) Power Requirement: 4xAAA alkaline batteriesnot included 5) Waterproof design: level-4 (spray-water-proof) 6) Show water depth, fish location, and bottom grass & rock 7) User selectable sensitivity,depth units, and fish alarm setting 8) Operational Temperature: 14degF to 122degF(-10degC to 50degC) Please put the cable transducer in fishing spot. The monitor displays information from sonar sensors that detect water and fish. The transducer can detect water up to 100m,and beam angle 45degree in 200khz. Different fishing ways: 1.Night Fishing Probe 2.Turbid Water Probe 3.Ice Fishing Probe Attention: 1.Kindly remind that FFC1108-1 has only wired mode, and you cannot match the sensor and monitor randomly. 2.Use fish finder in smooth and hard place (like water tank, swimming pool, water bucket, or fish pond) will cause repeatedly sonar reception, or the the detection can be inaccurate. Please use fish finder in outdoor deep water. 3.The monitor cannot display the size of the fish. 4.Manual:English/German/Russian/Japanese Package Includes: 1 * Fishing Finder Alarm Transducer Note: 1. Due to manual measurement, there may be a slight tolerance of 1-3cm. 2. Due to difference between different monitors, the picture may not reflect the actual color of the item.