G Keni Smart Bike Tail Light: Brake Sensing, Auto On/Off, Waterproof, USB Rechargeable LED Bicycle Safety Light

About this item

• [ ALUMINUM ALLOY SHELL & IPX6 WATERPROOF ] - Made of aluminum alloy shell, this bike rear light has a nice touch and awesome appearance. It's waterproof/dustproof and shockproof, suitable for any harsh working environment. we guarantee a 12-month warranty, 30-day money back and 24/7 customer service to make it no risk for you to purchase this taillight.
• [ FOUR LIGHT MODES & HIGH LUMEN LED ] - There are 4 light modes for your choice, (1)Normal Flash Mode, (2)Breathing Flash Mode, (3)Fast Flash Mode, (4)Steady On Mode, enjoy your cycling as you wish, High lumen COB Led bike taillight makes you more visible, it's a perfect bike light for night riding.
• [ AUTO ON/OFF for BATTERY SAVING ] - This Smart bike tail light including Motion Sensor and Light Sensor, it will be auto off when detect in no motion after 30 secs. Once touch it or detect the bike is moving, the light will auto on again. Also when you ride under the sunlight, the tailight will be auto off due to the light sensor is working, IF YOU LIKE TO RIDE IN THE DAYTIME AND NEED THE TAILLIGHT KEEP WORKING ALL THE TIME, please choose the mode 3 and mode 4 to avoid Light Sensor working.
• [ BRIGHTNESS ADJUSTABLE & HIGH LUMEN ] - The brightness of this bike rear light is adjustable, Max to 120 Lumen,1000m Viewable, in the steady on mode, just long press the button to adjust the brightness that you need, it Built-in 400mAh Li-ion battery, it can lasting 50 hours (will be influenced by the brightness that you setting) runing time when fully charged. four blue indicator lights, each shows 25% capacity, No longer worry about forget to charge.
• [ INTELLIGENT BRAKE DETECTION & SIMPLE INSTALLATION ] - Activates high visibility mode during braking, providing ultra-bright warnings for 5 seconds to ensure the safety of riders behind. It can be positioned beneath the saddle using a metal mounting bracket or attached to the seat post with a flexible silicone strap.