Compact and lightweight design enhances portability Thanks to the top-class construction, it is durable than ever Powerful LED light offers optimum illumination Product Specifications Simply mount the quick-release mounts on the handlebar and the seat post of your bike and attach the lights on them. The lights are removable from the mounts. Rain or shine, summer or winter—any weather condition, any time—enjoy enhanced visibility and you will be safe at any time of the day. It can be easily charged via computers, chargers or power bank through a USB cable Turn on or off, Press for longer than 1.5 seconds. Function mode : always bright, slow flash, fast flash, rapid flash, breathing flash. The tail light has an auto-sleeping mode. When the bike is unmoved for 40 second, it automatically goes into sleeping mode; when senses a vibration, it automatically turns on the light. Charing : indicator is ON. Charger finished : indicator is Off Product Information ~ Size : 40mm long, 35mm wide, 35mm high ~ Material : Aluminium alloy+high strength PC material. ~ Battery : 3.7V 500mA ~ Usage Time : always bright 5h, slow flash 10h, fast flash 8h, rapid flash 10h, breathing flash 15h ~ USB charge coil : 25cm 1A ~ Charging ways : 5V adapter, computer, USB charger baby Attention : The sensor in the tail light can detect the direction automatically. So, to make sure of a more precise brake detection, the light must be mo-unted to the bike before use! Please visit our website at http://www.ecomtb.com.my OR https://shopee.com.my/eco_mtb ** There is 1-3cm errors due to manual measurement. Please kindly understand. ** Actual product colour may slightly vary due to photographic lighting sources or your monitor settings. ** WE DO NOT DO COD ** ONLINE ONLY ** We support original products only. ** PRICE INDICATED IS ALREADY BEST PRICE, EXCLUDE COURIER