APALS-AIR®, All Purpose Adhesive Light Strips With Active Illumination Reflective™ Technology, is a micro-thin LED light strip that operates in four modes; fast strobe, slow strobe and steady on and off. Great for jogging, cycling, water sports, motorcycles, or even walking the dog, as they can be seen from up to 1/2 mile. They are 1" x 2.5" and they have a heavy duty adhesive back that can be placed anywhere, e.g. on the back of running shoes, on a running shirt, helmet, or hat. They have an operation time of 80+ hours.