Ampulla C1 Bike Taillight has an excellent performance at night time. Ultra-bright 85lm LEDs rare light make you visible from blocks away. Special design built-in light beam projector projects ultra-bright lanes on the ground, giving the rider their own virtual lane. Remind drivers to keep safety distance when driving passes you. Ampulla Ci Bike Taillight providing peace of mind for your ride, is your best partner for outdoor biking Bicycle rear light has 29 of 85LM LED lights (30lm is commonly used on other tail lights) & 2 ground lane alert, bright enough to be seen from 150ft away in foggy/ rainy day or even in dark night ---Best Bicycle Accessories You Need Remote control the bike rear light to send signals in different modes by the six easy to use buttons on the wireless controller. Simply turn on right/left turn signals through the wireless remote control, emergency lights, and ground lane alert. Get drivers' attention from several blocks away, securing your safety when riding in traffic. Ultra-bright laser on the ground warns any possible incoming vehicle, giving the rider their own virtual lane, further increasing visibility. Rear Light Size: 110mm x 65mm x 30mm Rear Light Weight: 125g Rear Light Charging Input: DC5V 800mA Remote Control Battery Capacity: 180mAh Waterproof Level: IPX4 Red Alarming Light Brightness: 85 lumen Rear Light Battery Capacity: 2200mAh Rear Light Endurance: More than 7 hours Rear Light Charging Time: 3.5 hour normal charging time Rear Light Full Battery Standby: The device been turned on but light off standby time 14 days Package includes: 1 x Bicycle Rear Light 1 x Remote Control 1 x Rear Light bracket 1 x Rubber Belt 1 x USB Charging Wire 1 x Manual Instruction 4 x Screws, nuts