Specifications: This reflective LED bike vest is equipped with reflective strips and LED lights. The LED will respond to the signal received from the remote control, which will remind passengers and drivers to keep their distance from you. It can be easily assembled on your cycling backpack and is definitely a perfect accessory for road riding. Through wireless control, you can use it safely while riding. There are 5 LED signals including left, right, forward, stop and flashing (from turn signal to emergency signal) to remind the driver to keep the distance. This LED vest can be used for outdoor activities, such as cycling, climbing and camping. With it, you will have a security guarantee. Item Name: Signal Indicator Vest Material: Nylon Control Distance: 3M Wireless Frequency: 2.4GHZ Battery Capacity: 650mah(Battery Included) Features: Easy to Assemble, with Reflective Strips, LED Signal Lights, Wireless Remote Control Size: 24cm x 24cm x 1.5cm / 9.45" x 9.45" x 0.59" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Backpack Vest 1 x Remote Control 1 x Remote Control Deck 4 x Handlebar Strap 1 x USB Cable 1 x User Manual