Whistle Switch GPS + Health + Fitness Smart Dog Collar, 24/7 Dog GPS Tracker Plus Dog Health & Fitness Monitor, Sleek Design, Waterproof, 2 Rechargeable Batteries, for Dogs 5lbs and up (Yellow) XS/S
- ...them visible in dark environment. The collar strap is adjustable for neck size 8"-21"[20cm-53cm]. 3 pairs of soft silicone sleeve are included, which can easily touch dog's skin through dog's fur, protect pet's skin..
- 2 Humane Training Mode & 5 Sensitivity Level: Press "M" to fast switch mode, green indicator for Beep+Vibration Mode, red for Beep+Strong Vibration Mode. The strong power of vibration will attract dog attention and help them correct barking issue without painful shock. Press power button to choose 1-5 sensitivity level, adjust it according to the environment and your actual need, the higher the level, the more sensitive the triggering sensor, the faster the start-up speed!.