To proceed to Checkout - Please click the "Checkout" button in the upper right corner of this page. Dog Whistle - Acme 211.5- Single Tone Quantity in Basket: None Code: W2115 Price: $5.95 Whistle Color: Black Brown Purple Lime Green Orange Yellow Light Blue Coral Add a Flat Lanyard for $.80: No Black White Royal Blue Navy Blue Red Green Yellow Orange Pink Add a Breakaway Lanyard for $1.00: No Black Orange Royal Blue Navy Blue Red Burgundy Green Purple Add a Round Nylon Lanyard for a $1.10: No Gold ($1.10) Green ($1.10) Navy Blue ($1.10) Red ($1.10) Royal Blue ($1.10) Black ($1.10) White ($1.10) Quantity: The 211.5 is ideally suited to Retrievers with a single frequency of 4850Hz.