Specifications : Highly waterproof & flexible silicone design. 3 modes, permanent on, slow & fast flash. Each unit has dual LED bulbs. Water resistant shower proof design-not afraid of soaking rains. Installation or removal without any tools you can get 3 seconds. One-touch switch design, easy operation. Type: Bike Light Quantity: 2Pcs Light Color: Random (Red/White) Silicone Color: Random (Black/Wihte) Material: Flexible Waterproof Silicone Battery: 2Pcs AG-10 Batteries (Included) Features: Waterproof, Flashlight, Clip-On Light Size: 90mm x 30mm/3.54" x 1.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included: 2 x Waterproof Silicone LED Flash Lights