Package Includes 12 Pieces Blue LED Safety Light, Each Lamp With 2 Batteries Inside, 12 X Mini Screwdriver (For Easily Opening The Back) 12 X Adjustable Velcro Straps For Mounting, Attaching The Light To Children's Scooters/Bike Posts, For Headlight Or Tail Light, Dog Collars, Leashes, Helmets Etc. Material: Made Of ABS Plastic & High-Quality LED Lamp; Not Easily Damaged, Slim, Lightweight, Super-Bright And Long-Lasting, Powered By Two Coin Batteries (CR2032); Suitable For All Bicycle. Three Modes Of Switch: The Led Safety Light Can Be Support Full Light, Fast Flash And Slow Flash Mode, With One Simple Push Of A Button, You Have Instant Illumination With 3 Useful Lighting Modes; These Three Modes Help Or Alert Other Riders, Drivers, And Walkers Spot You When Riding In Low Light Or Complete Darkness. Multi-Function: Versatile Blinking Warning Light, Conveniently Portable, Take It Anywhere With You. This Essential Safety Item Has Many Outdoor Activities Uses: It's Perfect For, Runners, Joggers, Cyclists, Children, Walkers, Climbers And So On! Be Safe, Be Seen By Motorists From A Distance, And While Doing Sports At Night, Dawn, Dusk, Misty Mornings And Rainy Days. It Is The Best Choice For A Wide Variety Of Applications. Feature: These Led Safety Light Easy To Use, Strong, Easy To Install Quickly, Without Any Tools Required, Waterproof shell Design, The No-Slip Clip Attaches Easily And Stays On Securely, Clip On To Your Belt, Pockets, Backpack, Anywhere On Your Clothing, Or Onto The Included Elastic Velcro Straps. Package Includes 12 Pieces Of LED Safety Lights 12 X Adjustable Velcro Straps 12 X Mini Screwdriver CR2032 Batteries 3 Lighting Modes: Full Light/Fast Flash / Slow Flash Mode Each Led Safety Light Powered By 2 * CR2032 Batteries, Super-Bright And Long-Lasting Each Led Safety Light have Stay-put clip, attachable to any clothing or accessory! Easy To Use: These Led Safety Light Not Easily Damaged, Easy To Install Quickly, Without Any Tools Required, Waterproof shell Design- Not Afraid Rainy Weather; The No-Slip Clip Attaches Easily And Stays On Securely, Clip On To Your Belt, Pockets, Backpack, Bike And Helmet Or Other Areas For Maximum Safety.