Giving you red lighting to preserve your night vision, the Fred LED Headlamp provides a choice of one red LED or three white LEDs. The Fred will always turn on in the low mode of the Red LED, so you never have to accidently blind yourself or any other people. To enable the three white LEDs, just hold the button down for 1.5 seconds.Light Output: 45 LumensLamp: Three white Ultrabright LED, one Red LEDBurn Time: 180 HoursBatteries: Three AAA Weight: 78 grams