1 Pair Smart Bicycle Spoke Lights Bike Wheel Spokes Lights Cycling Night Warning Led Waterproof Bik

Features: Waterproof, High brightness, Smart switch, Optical designEasy installation, Easy battery replacement, Tool-free installationLight and Vibration dual induction intelligent switchThe ambient brightness is high, and the light does not turn on in a static stateLow ambient brightness + automatically lights up with a sense of vibrationWaterproof: IP55Battery Endurance: About 10 hoursPower Supply: Three A13 batteries(Includes)Mode: Always bright (light sensing + smart) induction smart switchsize: about 85 x 18mmMaterial: PCcolour: Black + TransparentPackage Contents: 1 pair Bike Spoke ReflectorsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.