WIDE FIELD OF VISION - 180 degree field of vision, visibility up to 150m, The bright bike taillight has 40pcs 100lm LED lights, bright enough to be seen from 150m away in foggy/rainy weather or even in the dark night. provides super brightness for you but not dazzling WIRELESS REMOTE CONTROL & 4 Modes - Remotely control bicycle turn signals to send signals in different modes with the 3 easy-to-use buttons on the wireless controller. Remote control on the handlebar, easy for rider to control while riding. Suitable for mountain, MTB and road bikes. 4 modes: turn left, turn right, red LED warning light, SOS USB RECHARGEABLE - the rear bike light uses a 500mAh Li-on battery, enables the rear light of the bicycle to be fully charged in 2 hours and can work for about 5 hours under constant brightness. Save time by replacing the batteries weekly. NEVER waste money on stacks again. The LED bike light comes with a charging cable that charges from your computer, power bank, or other device with