測試方法: Height, in meters, from which the light (including batteries) can be dropped onto concrete without cracking or breaking and still function. Lights are dropped while in the Off position and allowed to come to rest before inspecting for damage. For ratings over 1 meter, each sample light is dropped six times with different faces towards the ground. 注意最後一行,將手電筒假想為六面體,每個面都要摔到一次