TL03 tail light adopts an smart braking technology which is operated in an accurate accelaration speed algorithm,  as a result of that, it gives better and much safer riding experiece. When you commute in a city, it definitely calms you down through vehicle and people floods.

• Size：30*34*34mm;Battery:250mAh polymer battery; 
• Weight：30g(including saddle hanger);
• Run time: 8-50hours;  20Lumens, 5models;
• Waterproof level:IPX6;
• 3 Level battery life indicator;
• Smart braking