Bicycle Turn Signal Tail Light Intelligent Sensing Brake Light Cycling Equipment Night Riding Colorful Lights Features: Brake sensing function: When you brake hard, the tail lights will automatically light up to remind others that you are slowing down or stopping. This helps to increase the security of nighttime cycling. Audio steering function: Through the remote control, you can emanate a turn signal sound to remind surrounding vehicles and pedestrians of your intention to turn. This helps improve visibility while cycling. High performance lithium battery: Equipped with a 500mAh lithium battery, it provides long-lasting battery life and ensures long-term use. Multiple lighting standard: Equipped with 7 different lighting modes to choose from, it can be adjusted according to different environments and needs, enhancing personalized cycling experience. Intelligent sensing function: equipped with vibration sensing, magnetic induction, and intelligent light sensing functions, it can automatically trade lighting modes according to different situations, ensuring effective lighting in dark or low light environments. Meanwhile, the intelligent start stop function can extend the battery life, and theantidusting and watertight design is more suitable for use in various weather environments. In addition, wireless transmission technology enables sensitive interaction between the remote control and lighting, providing a more convenient operating experience Product Description: Product Name: Intelligent Sensing Turn Tail Light Colors: Red, Blue, Green, Black Material: Plastic Battery: 500mAh Battery life: 5-54 hours Product size: 4.4x4.4x3.2cm (1.73x1.73x1.26 inches) Packaging size: 6.8x4.7x9.6 cm (2.67x1.85x3.78 inches) Gross weight: 128 grams (0.28 pounds) Package Contents: 1 * Tail lights 2 * Ties 1 * Controller 2 * Sensors 1 * Fixed bracket 1 * Battery 2 * Shim 1 * Charging cable 1 * Instructions ★★【About Us】Hi, my dear angel, welcome to Jacenvly. Here, you can not only buy good and cheap goods, but also enjoy the friendly service attitude of the clerk, so that you can feel an unprecedented shopping experience。 ★★【Shop Products】Our shop has a variety of products such as Home Decor, Car Accessories, Toys, Pet Supplies and so on. Our products are inexpensive and reasonable in price. You can't miss it. Please click into our store, there is always a product that you like to buy and suits you. ★★【Friendly Service Attitude】If you have any questions about your purchase, please feel free to contact us. We provide world-class customer service and will give the best solution at the first time, and try our best to safeguard your consumption rights so that you can have no worries about your purchase. There are still 30 days to return goods without reason.