PETZL e+Lite Emergency Headlamp Always ready for use: can be stored for up to 10 years and still be operational. Performance lighting: Provides up to 4 consecutive nights of lighting (45 hours). Compact and ultra-light: weighs 27 grams with batteries Great to leave in your pack, car, boat, purse, luggage, etc. for emergencies 3 White LEDs and 1 Red LED provide ample hands free lighting for activities in the dark. End of series