zaprix LED Dog Collar - Bright Premium Weatherproof Light Up Collar for Pet Safety, USB C Rechargeable & Adjustable for Small, Medium & Large Dogs (Multicolor, Medium) Multicolor Medium is up for auction in Pet Supplies. The current bid is $3.80, 78% below the $17.00 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.