Posh Paws Dog Collar LED Light by Falabella - Dog Collar Light Waterproof - Batteries Included - Blue Safety Light - Stainless Steel. Extreme Durability, Backed by A Be safe always - LED light can be seen up to 1/2 mile away Waterproof and durable - made of stainless steel, no need to be worry if your dog gets in the water, dirt or mud 4 settings - steady on, slow flash, quick flash, off, measures 2.12" x 1.28" x .85" and weighs .56 oz. easy to use 30 hours battery(battery included): Features a secure stainless steel spring clip carabineer attachment, glow and flash modes