Description
Details
ACME Double Tone Dog Whistle No. 640 / No. 641, Professional Double Whistle with 2 Beeps & Free Leather Strap: Includes clear call tone for recall and trill tone for stop or attention signals easy to select by turning the whistle. Standardized Frequency – Both Models No. 640 and No. 641 sound identical within their range, ideal for consistent training signals for multiple users or spare whistles.
Key features
- Includes clear call tone for recall and trill tone for stop or attention signals easy to select by turning the whistle
- Standardized Frequency – Both Models No. 640 and No. 641 sound identical within their range, ideal for consistent training signals for multiple users or spare whistles
- High Range – Powerful, clear sound that reliably bridges long distances even in wind, rain or noisy environments
- Colour: DG Orange/Fluorescent Orange
- Size: 90mm (No. 640)
Product specifics
- Brand: ACME
- Category: Dog Whistles
- Size: 90mm (No. 640)
- Colour: DG Orange/Fluorescent Orange
- Model: No. 640




