DescriptionSuitable for various tactical activities and camping, hiking, climbing, cycling, etc. Powered by button battery, support light for around 100 hours. Waterproof, multiple lighting mode, it will be your best friend when you have outdoor activities.Feature-Color: Random color. - Material: Silicone. - Size: 4x4x2cm. - Power: Button Battery (Included). - This tactical signal light with two modes of operation: always on and flashing. Built-in CR2032 button battery, working for about 100 hours. - It is made from good quality silicone and gel which has good sealing (waterproof) and flexibility.- Perfect for cycling, diving, CS, wargame, shooting and other outdoor sports for teammate identification and survival signal etc. - You can stick it on your tactical helmet, it on it on your backpack, stick on your seat or on your neck. - Compact and portable, easy to use.