Featurescycling safety led light indicates lrforwardemergencystandby for safety at night or in dim environmentwith adjustable straps and snap buckle easy to adjust length according to your height and take onoff shoulderthe back padded sponge and pocket are designed for added comfort and conveniencewater resistant and reflective design receiver is covered by nylon and oxford cloth and sewn with reflective stripes on it wireless remote control within area of 3choose sign via mini tran