When addresses on mail become difficult to read from absence of light, turn this LED Route Light on for hours of illumination. This lightweight, hands-free route light is perfect for every carrier caught delivering at dusk. The built-in spring clip and safety chain allow for the light to be secured to the carrier's bag strap without worry of it falling off. Light can be positioned to ideal angle. The blue LED bulb lasts for 100,000 hours (lifetime warranty).