Tactical FMA Helmet Safety Flashing Light Survival Signal Light Waterproof Lamp Outdoor Equipment for Hunting Hiking Cycling Bullet Points: 1Excellent Durability: The identification helmet flashlight has two modes of operation, including ordinary light mode and flashing mode, and the helmet light features the built-in CR2032 battery, which makes it work for about 100 hours. 2Water Resistance: The helmet flashlight is made of high quality silicone and gel with good sealing (water resistance) and flexibility. The product can operate well in an environment of -20 C to 50 C. 3Multiple Purposes: This kind of flashlight is essential for outdoor activities such as cycling and hiking. 4Easy to Use: You can hang the flashlight on your backpack, stick it on your helmet, stick it on your bike seat or hang it around your neck. 5Small Tip: When the battery is exhausted, you can replace the battery by yourself (but replacing the battery will affect the waterproof function of the product). Specifications: Size: about 11cmx2.6cm / 4.3inx1.3in Material: silicone, resin Application: camping, hiking, climbing, cycling, and more. Lighting mode: always on, flashing Battery model: CR2032 Packing List: 1PC * * based on your selected image