EzyDog Adventure Light for Dog Collar and Harness HIGHLY VISIBLE - STRONG & DURABLE - Visible up to 3 miles for safety, our high quality super strong Impact Resistant dog collar Adventure Light can withstand loads of 220 lbs. COMPLETELY WATERPROOF & 100 HOUR BATTERY TIME - Waterproof down to 330 feet, these efficient lights offer up to 100 hours of battery life when in steady mode and up to 250 hours when flashing. Simply flip the battery to change from flashing to steady mode. EASY TO ATTACH & USE - The lights come with a Velcro strap to attach to any existing dog lead, harness or collar. Turning the light on and off is easy - simply rotate the top to turn on and off. KIT INCLUDES - Our Adventure Light (1.5" x 1.25" and 1" tall), a 3/4" Velcro strap, Lithium Battery, and Belt Clip. EXTENDED 3-YEAR WARRANTY - We are so confident of their strength and quality of our Adventure Lights that they come with our EzyDog 3-Year Extended Warranty.