1、It has a safety warning and iconic effect through super bright flashing. It has a personality trend and is suitable for fashionable people no matter whether it is day or night. 2、The design of comfortable release buckle is firm and not easy to fall off. With adjustment function, can be adjusted according to your waist. 3、One key to switch the light mode, quick flash, slow flash, constant light, as you want. 4、Effectively prevent rain and water, and is suitable for night activities or dark environments. 5、It is convenient and comfortable to wear. Suitable for outdoor activities such as walking, running, hiking, climbing and cycling at night. Item Type: LED Reflective Belt Material: Polyester + plastic +LED strip Color: As Pictures Shown Product Width: Approx. 2.5cm/1in, Adjustment range: Approx. 40-90cm/15.7-35.4in Weight: Approx. 62g/2.2oz Power supply: 2xCR2032 button batteries 200mAh (shipped with built-in battery) Light mode: quick flash, slow flash, constant light (controlled by switch) 1 x LED Reflective Belt