Charging can be fully charged once every 2-3 hours, and it can be used for about 8 hours in constant light, and flashing in about 15 hours. It is effective for rain and waterproof. When cleaning, remove the switch box and line light, and the light guide bar does not move. Suitable for dark environments or evening gatherings, outdoor sports, trade fairs. 8 11/16" L x 1 9/16"W