Lowrance Hook 2 4 inch FishFinder Sonar Sounder 000-14014-001 HOOKLowrance Hook Fishfinder Sonar Works perfectly, fully tested with guarantee. Head Unit only. You will receive what you can see on the photos. **** Depth Alarm: Yes Shallow Alarm: Yes Temperature Readings: Yes Display Type: WVGA color TFT LCD Backlighting Levels: Adjustable Screen And Keypad Waterproof Standard rating: IPx7 Product Width: 6. 51" 165. 3 mm Product Depth: 3. 31" 84 mm Product Height: 3. 80" 96. 5 mm Power Supply (Supply Voltage): 12 vDC