ROCKBROS Bicycle Tail Light Automatic Light Rear Light Smart Brake

• [Brake Warning & Automatic Lighting] This bicycle taillight is equipped with a highly sensitive brake warning function, and when it detects the brakes while riding, it will automatically illuminate at maximum brightness for 3 seconds to alert vehicles from behind.Significantly improves safety.(Compatible with all lighting modes, day or night) Equipped with brightness detection and vibration detection functions.Brightness detection: Detects the brightness, automatically turns off the light during the day (in a bright place), and turns on automatically when it enters a dark place.Vibration detection → If the device remains stationary for 30 seconds, the light will automatically turn off.When vibration is detected, the light will turn on again.(Double-click the power button to switch between automatic mode (default) and manual mode. Only automatic mode has brightness detection and vibration detection functions.) • [5 lighting modes & brightness adjustment] Equipped with 5 lighting modes!Short press the center button of the tail light to switch from flashing (approx. 20 hours) → breathing flashing (approx. 17 hours) → rapid flashing (approx. 18 hours) → fast flashing (approx. 25 hours) → constant light (approx. 9 hours).It also has a brightness adjustment function, and in constant light mode, you can select 3 levels of brightness: high, medium, and low by holding the button for 4-5 seconds.It has a memory function and will start from the last recorded mode/brightness upon reboot.High brightness COB LED lamp + innovative optical lens, the light source is bright but not dazzling, so it will not disturb passersby.In addition, the turbo lens design provides a 260-degree wide light distribution for excellent visibility.(Press and hold the power button for 1S to turn on/off the power) • [TYPE-C Rechargeable & Battery Level Display] The rear light has a built-in 3.7V/250mAh battery that does not require batteries and can be recharged repeatedly with TYPE-C, making it very convenient to use a mobile battery, USB port, smartphone plug, etc.It is also equipped with an indicator that allows you to see the remaining battery level at a glance.(Around the power button) When the indicator flashes blue rapidly, it indicates that the battery is low on power and needs to be charged.You can visually know when to charge.Charging: The indicator flashes blue.Fully charged: The indicator lights blue all the time.(If the charging cable is not disconnected after 1 hour, the indicator will automatically turn off.) *Charging time: Approximately 2H. • [Made of high quality aluminum alloy & IPX6 waterproof] The high-class CNC aluminum alloy body has excellent drop resistance, heat resistance, durability, and corrosion resistance, and the bicycle backlight is well protected from drops and friction, extending its service life.With IPX6 waterproof technology, it can withstand sudden rain and splashes from puddles, making it a taillight you can trust in any bad weather or bumpy roads.(Do not soak in water) • [Easy to install & product specifications] There are two types of installation methods for saddle rails and seatposts, which you can choose according to your needs.(Mount and tools for installation are included) Size of safety light: Approximately 30*28*28mm Weight: Only 34g (including mount) For road bike owners who are pursuing weight reduction, this is a compact item that cannot be ignored.Not only road bikes, but also MTBs, cross bikes, folding bikes, and most other types of bikes can be accommodated.Our store has a 6-month warranty period, so if you have any problems with the product, please feel free to contact us.We will handle services such as refunds, returns, and product exchanges.