It sucks when your bike goes missing. We&';ve had ours go missing, and we&';ve seen our friend&';s bikes go missing too. That&';s why the four of us set out to design the Bikebac Bike Tracker. We want to provide our customers the piece of mind of always knowing where their bike is. Bike Tracking Made Easy - We made it affordable, and easy to use so that anyone can get the piece of mind of always knowing where their bike is! No Subscription Fees IP67 Waterproof & Durable 1 Year Battery Life (replaceable)