Specifications brandbikightproduct name4 in 1 solar bike headlightmaterialpc polycarbonatelumen1000 lumensbattery capacity4000 mahchargingsolar type c chargingbattery2 18650 lithium batteryhorn130dbgear8 speed lighting modewaterproofinglife waterproofweight195g including battery size117 44mm features 1 4400mah capacity ensures long lasting battery life for uninterrupted use 2 type c port allows for easy and convenient charging 3 built in speaker function provides a unique audio experience while cycling 4 4 super bright led bulbs offer powerful and efficient lighting for both long and short distances 5 solar energy charging option makes it eco friendly and cost effective package includes 1 x bicycle front light1 x charging cable Brand: BIKIGHT