Is your Chihuahua a master of escape, slipping through gaps that seem impossibly small? For such a tiny breed, their Houdini-like abilities can be stressful. Our editorial team researched trackers that are light enough for a 2-6 pound dog, with secure attachments to prevent slipping off a narrow neck.

Chihuahuas have delicate tracheas and thin skin, so we focused on lightweight, low-profile designs that won’t cause discomfort or interfere with their breathing. We also considered battery life, since these little dogs often hide in small spaces where a dead tracker could mean a frantic search.