Veratron 52mm Acoustic Buzzer - Black [B00109001] Cartography | Garmin Navionics+ Foreign Green echoes are targets that

Green echoes are targets that stay stationary or are moving away from you

and the depth of fish as they swim into the sonar beam

Ultrex Quest & other trolling motor shafts with 27 – 33 mm diameter

Single or Dual Frequency: CHIRP-Ready Single-Band

which means that

Veratron 52mm Acoustic Buzzer - Black [B00109001] Cartography | Garmin Navionics+ Foreign Green echoes are targets that52mm Acoustic Buzzer Black The acoustic dual tone buzzer is in black. Mounted like other ViewLine gauges in a standard 52mm hole. Specifications: Series: ViewLine Function: Buzzer Type: Multifunction Input Signal: 12V 24V Dial Unit Outer: Dial Scale Outer: Installation Dimension: 52. 0 Applications: Boats Ships Yachts This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or