Features: 1. More environmentally friendly and practical compared to traditional single-use glow sticks that contain hazardous fluorescent materials. 2. Powered by 3 AAA batteries (not included), providing up to 12 hours of use. 3. Press the left button (grooved button) or right button to turn on the light. 4. Hold the left or right button for approximately 3 seconds to turn off the light. 5. Press the left button to cycle to the next lighting pattern; press the right button to return to the previous pattern. 6. When the light is off, press the right button to turn it on with red light mode activated. Specifications: Material: ABS Size: 25 x 3 cm Power Supply: 3 x AAA Battery (not included) Lighting Time: Approximately 6 to 8 hours of continuous use Includes: 1 x Glow Stick