Product Name:Remote Control Bicycle Turn Light Numb:YP0701301 Material:ABS Battery Capacity:700mAh Charging method: USB Charging Waterproof level: Life Waterproof Brightness:80 Lumens Loudness of the lamp:120dB Net weight:About 50g Charging Time:2.5h Working Time:5.5h Turn Signal Size:About 9.8*2.2*3.4cm Product Components:Turn Signal*1 +Remote Control* 1 +Afixed Seat*2 + Silicone Strap*2 +USB Charging Cable*1 Remote Control Indicator light: lightweight and durable bicycle tail light, which can be installed on all bicycles, children's bicycles, and adult bicycles. It can also be used as helmet light, backpack light, warning light, etc. The tail light is made of waterproof material to ensure safe use in rainy days. Function: Safe night riding, with speakers and loudspeakers to remind passers-by that it is safer to ride at night