4AA Wht LED,Yell, box no batt Powered by 4 "AA" alkaline batteries, 7 ultra-bright 100,000-hour life LEDs, 67 lumens typical wit 7 white LEDs, blue LEDs also available,Runs up to 155 hrs, Waterproof,Features a wrist lanyard connection, Length: 6.5" Weights 6.3oz Color: Yellow with White LEDs without alkaline batteries- In Box