Stretch Light/Lantern Combination, 6 White LEDs, Heavy Rubber Wrapped Around Bezel For Shock Resistance, Rubber Sleeve For Sure Hand Grip, Lanyard Click For On/Off Stretchable Casing To Convert From Flashlight To Area Light, 25 Lumens, 35 Hour Run Time On 1 Set Of Batteries, Uses 4 "AAA" Batteries, Not Included.