?Warranty?All products purchased from our company are guaranteed lifetime warranty. If you meet some problems when using our problems, welcome to contact us at any time, thanks!. ?Please Noted?1.Do not change the battery unless necessary, because to replace the battery, you need to re-solder the patch connecting between the battery and the motherboard contacts to use.--2.Replace the battery will affect the waterproof function, the product can't be submerged after cut out. ?Good Sealing?Flashing Light be made from good quality silicone and gel which with good sealing and flexibility. The product could works well in an environment from -20 ° C to 50 ° C. ?Useful for Outdoors?This safety light is an essential item for your outdoor activities, such as cycling, hiking, hunting, diving. You can stick it on your tactical helmet, hang it on it on your backpack, stick on your bicycle seat or hang on your neck. ?Tactical Signal Light?Wwith two modes of operation: always on and flashing. Built-in CR2032 button battery, working for about 100 hours.

Runtime: 100 hours. Brand: SkySmile. Material: Silicone. Power Source: Battery Powered. Special Feature: Waterproof. Date First Available: April 15, 2022. Best Sellers Rank: #322,216 in Sports & Outdoors. Customer Reviews: 4.2 out of 5 stars 47 ratings 4.2 out of 5 stars. : B07G9XR184. Part Number: ?Pocket Panel. Material: ?Silicone. Brand Name: ?SkySmile. Package Weight: ?0.04 Kilograms. Item Package Dimensions L x W x H: ?4.92 x 4.09 x 0.75 inches.