Features1This LED bike light vest has adjust strap can be easily assembled on your own Cycle backpack or just wear on your back, Designed for easy on and off, quickly release. 2The LED reflective vest has 5 signaling modes: turn left, turn right, forward, stop, standby, from turn signal to emergency signal to remind the driver to keep their distance. 3It reflects strongly at night and can be clearly seen during the day, greatly improving safety. 4This is a rechargeable LED turn signal vest with a built-in 500 mAh lithium-ion battery. 5The indicator signal of the LED reflective vest is controlled by the remote control. You can mount the remote control on the handlebars of your bike or scooter or hold it directly in your hand according to your needs.SpecificationThis is a high visibility reflective vest. The whole vest is made of nylon, lightweight and easy to wear. This is an ideal safety equipment for cyclists or joggers who often spend time at night. Features:This LED bike light vest has adjust strap can be easily assembled on your own Cycle backpack or just wear on your back, Designed for easy on and off, quickly release. The LED reflective vest has 5 signaling modes: turn left, turn right, forward, stop, standby, from turn signal to emergency signal to remind the driver to keep their distance. It reflects strongly at night and can be clearly seen during the day, greatly improving safety. This is a rechargeable LED turn signal vest with a built-in 500 mAh lithium-ion battery. The indicator signal of the LED reflective vest is controlled by the remote control. You can mount the remote control on the handlebars of your bike or scooter or hold it directly in your hand according to your needs. Specification:Material: Nylon Color: Yellow/ Grey/ Blue (optional) Signal Frequency: 2.4GHZ Remote controller battery: 2 * CR2032 Receiver Battery: 3.7V 500mAh lithium battery Size: 29*19*1.5cm/ 11.4*7.5*0.6in Weight:230g/ 8.1oz Package list:1 * LED Reflective VestPackage List1 * LED Reflective Vest