NEW Giant Recon HL 1800 Lumen LightSMARTER VISION Aside from outstanding lumen capacity and industry leading usage time, the Recon HL1800 monitors ambient light to change output accordingly, helping to save battery power for when you need it. Shines brighter, runs longer and works smarter. FEATURES Smart Mode light sensor monitors ambient light to adjust light output accordingly Pairs with Garmin series computers to see the battery information and light mode on screen (HL1800 only)