Are you looking for a professional, yet bike taillight? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? , ! Our professional bike taillight must meet you needs. It is one of the for you. Features - Color: Black. - Size: 12 x 3.5 x 3.5 cm. - Material: ABS. - It features a dual-use of taillight and turn signal for easy use. - Wireless operation, simple and convenient, easy to install. - The middle button on the can control the red LED warning light of the tail light, and the left and right buttons respectively control the yellow LED direction indicator on the tail light. - Easy to install - Combine the rear light and the controller with the corresponding mountings and place them in the appropriate position. - Detachable mount bracket, easy to use at bike bag or backpack. Package list: 1 set x bike taillight