What size are the WHISTLE™ devices? Will they work for my small dog or cat?

Last Update:Nov 16 2022 6:16pm

We recommend WHISTLE™ GO for any pet roughly 20 lbs and larger.

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WHISTLE™ Health & GPS+ (SWITCH™) weighs approximately 34 grams (or 1.2 oz) for the tracker and battery. 

The weight of the collar depends on the material selected. 

The battery measures approximately 1.75" (4.45 cm) by 0.75" (1.91 cm). 

The collars are approximately 1" wide.

Whistle Health & GPS+ is recommended for pets 5 - 75lbs.

Use the sizing guide below to determine the best size collar to fit your pet: