- Bronze, thru-hull tri-ducer includes sonar with temperature and speed sensors in one unit
- Dual-beam transducer with 20-, and 74-degree beam angles and operating frequencies of 200 kHz and 50 kHz
- Not recommended for trailered boats, and professional installation recommended
- Compatible with, and designed for Humminbird 931C DF and 937C DF sonar systems
- Includes fairing block, and is backed by manufacturer's one-year limited warranty