Description: This bike light has a left and right independent switch design, high-beam and low beam can work independently or open at the same time, shining farther and brighter. Since it is a high brightness lamp bead design, it is safer for cycling at night. Featuring multi modes of available design, it allows you to adjust as needed. It is constructed of pc material. The length of this product is 5cm, the width is 4cm and the height is 3cm. It is suitable for bikes. Item Name: Bike Lights Material: PC Features: Waterproof, Mini, High Brightness Front Light Lumens: 350LM+150LM Tail Light Lumens: 50LM+50LM Power Supply: USB Charging Front Light Battery: 1100mAH Tail Light Battery: 350mAH Size Details: LxWxH: 5cm x 4cm x 3cm/1.97" x 1.57" x 1.18"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Front Light 1 x Tail Light 2 x Straps 1 x Charging Cable 1 x User Manual