1. The high-power high brightness XPE (about 200lm) is used as the light source. 2. EHigh performance optics: the crystal grade acrylic light spotlight is adopted. The distance between the lights is far away and the visibility is 30-50 meters at night. 3. Super waterproof, key switch and USB charging interface are covered with expanded rubber, and riding safely on rainy days. 4. Button switch, multi-functional design (function: click button entry, click button shift: bright start - highlight - low - light - flashing - close, long press for 2 seconds turn off) to meet the riding function requirements. 5. Battery indicator light: when the remaining amount of electricity is less than 25%, the indicator light is bright red; when the remaining amount of electricity is more than 25%, the indicator light is not bright; when the electricity is full, the indicator lights blue light; 6. Ultra power saving, 4 modes: A: Power Mode (200lm) - lighting time (3H). B: Standard Mode (100lm) -- lighting time (4h). C: Eco Mode (50lm) --- lighting time (7h). D: Flashing Mode (200lm) -- lighting time (6h) 7. USB interface charging, using the lithium ion polymer battery (3.7V, 1200MAH), can reciprocate charge discharge, fast charging, discharge time is long, the general charge for 3-4 hours, discharge time about 3-7 hours. 8. Quick dismantling lamp frame design includes fast dismounting of lamp head and lamp base.The lamp base also has an adjustment range of 360 degree angles without any dead angle. 9. The lamp holder is quickly disassembled and assembled: the nut of the lamp holder is directly fixed inside the lamp holder. The screw adopts manual knob type. It can be disassembled and assembled directly without tools. It is convenient and fast, and is suitable for the diameter of handlebars: 20-31mm. 10. Fast disassembly of the lamp head: go straight along the concave guideway of the lamp head, and can be installed successfully. When disassembling, the insurance button on the right side of the lamp holder and front pull of the lamp head can be dismantled successfully.