Act as a [pet tech product designer] with [5+ years of experience in wearable pet devices]. Design a [smart pet collar] that includes [real-time activity tracking], [GPS location monitoring], and [health alerts]. The collar should be [waterproof], [lightweight], and [adjustable] for pets of all sizes. Highlight features like [battery life], [app integration], and [durable materials]. Include visual elements such as [sleek design], [vibrant color options], and [LED indicators] for low-light visibility. Ensure the collar is [comfortable for long-term wear] and [easy to clean]. Target audience: [pet owners who prioritize health and safety]. Use [high-quality renders] to showcase the product in [real-world scenarios] like [outdoor adventures] or [indoor playtime].