Ruffwear Beacon Safety Light for Dogs, Rechargeable, Clear Lake | Durable & Waterproof, High Performance Safety Light Visible in Low-Light Conditions or Inclement Weather, 3 LED Color Options

Bright and early (or late): Three light modes and all-angle visibility means peace of mind when your dog runs ahead, falls back, or goes off-trail. With up to 20 hours of run time and a low battery warning, you can play all day (or night).