【High Visibility & Safety】Simket LED reflective vest combines super bright LED flash light and reflective gear, 360 degree high visibility up to 365 meters at night. Keeps you safe when cycling, walking, jogging, dog walking and etc. 【3 Personalized Light Modes】There are two detachable and independent light strips on the front and back of the reflective vest. The strips have three working modes: fast flash, slow flash, and constant light. You can warn other road users in different ways by choosing different light modes. 【Lightweight & Portable】Weighing only 100g, the lightweight design of the reflective gear ensures it does not cause strain on the shoulders. As it can be folded very small and compact, it is perfect to carry with you. 【One Size Fits All】This reflective gear uses elastic fabric and high-quality adjustable buckles compatible with controlling the strap length. The reflective belt length ranges from 10.4 cm to 14.2 cm; Easily adjust the buckle compatible with fitting your needs. 【PARAMETER】Reflective gear visible range: 244 meters; LED light visible range: 365 meters; Charging time: 2 hours; Lighting time: 5-8 hours; The package includes a dual USB cable that can charge both strips simultaneously.