@user657955710: #Convincing you that beam angle of your LED corn bulb matters 让你相信LED玉米灯泡的光束角度很重要Beam angle matters, too. GT-Lite's cone-shaped COB LED bulb helps direct more light where you actually need it. 光束角度也很重要。GT-Lite 的锥形 COB LED 灯泡有助于将更多光线集中到您真正需要的地方。