Bike Tail Light, 100 Lumens Max, 4 Flash Modes, Low Power Mode, USB Rechargeable, IPX6 Waterproof, Brake Sensor, Road and Urban Cyclist - Magicshine Seemee 100

• Seller Warranty - We offer 12 Months Manufacturer's Warranty. Please feel free to contact us if you encounter any quality issues.No Standalone lithium batteries are sold with the product. 【100 lumen Bike Tail Light 】 100 lumen max output with its red COB LEDs, 72 lumens at its highest constant mode. 4 flash modes. Transparent optical fiber emits brighter and more uniform light than traditional red cover styled traditional tail lights. 【Bicycle Taillight with 3 Brightness Settings 4 Flash Modes 】 This red tail light privdes 72, 36 and 18 lumens at its 3 brightness settings respectively, and 0-72 lumen output at its various flash modes, 4 in total. There is also a low power flash mode triggered at 5% battery capacity and smart flash where the pattern and brightness change automatically. 【Smart Bike Light with Brake and Daylight Sensors 】 With optional brake sensor active, sudden changes in movement pattern or brakes are detected, Seemee 100 will boost its output to 100 lumens for 3 seconds, temporarily increasing visibility. This is a very battery intensive feature, designed for short commutes on busy roads. While the main Smart mode automatically detects the level of ambient light and changes the flash brightness based on day/night. This mode maximizes the battery runtime. 【USB Rechargeable Bicycle Rear Light, IPX6 Waterproof 】 Rechargeable via Micro-USB, when standing by, quick press the power button to show remaining battery capacity. IPX6 waterproof, functioanl under all weather conditions. 100 lumen brake light feature is automatically tured off when power is less than 5%, automatically triggering the low power flash mode. This mode lasts 20 minutes before battery drains completely. 【Multiple Mounting Options 】 Seemee 100 uses a proprietary mounting mechanism that uses a convenient quarter turn & lock design. Default package includes a length adjustable silicon strap for seat-posts of most sizes. A seat rail mount that hooks on the metallic rails under the seat. And 2x zipties for any DIY or helmet setup.