EverBrite 4-Pack Mini LED Aluminum Flashlight Party Favors Colors Assorted with Handle Glow in Dark GLOW FUNCTION It is recommended to put the flashlights in the sun for a few minutes for the glow function after receiving them . IMPACT RESISTANT Aluminum body construction for durability extends life of the high power LED effectively with glow in the dark, 1 M impact-resistant. BRIGHT LED 9 bright LEDs deliver targeted 45 lumens light where you need it, has a powerful life more than 100,000-hour. 4-PACK Pack of 4 colors: green, yellow, blue, pink, 12 AAA EverBrite batteries are included 12 MONTHS WARRANTY Please keep the flashlights out of the box for a few minutes before using the glow function, if they are obfurage of the box for a long time. Mini size handy flashlights meet the desire of personalized carry and practical use. Precise size detail with 4-3/4 IN length, and 1-1/4 IN width. Flashlights: 1*Red, 1*Blue, 1*Yellow, 1*Black Switch: on/off Weight: 2.04 oz. Lumen: 45 LM Impact Resistant: 3Ft. Soft rubber switch button supplys well touching when you turn on/off the flashlight. Lanyard design for easy carry and free your hands. 4* 9-LED EverBrite Flashlight &amp; Lanyards 12 AAA Carbon Batteries Remove batteries and store them separately when not in use or when used infrequently (less than once a month). This will prolong battery life and guard against corrosion.