相关防水性能也是英文的:简称7级防水 IPX-7
This lamp has been tested to the IPX-7 waterproof standard. It will continue to function for 30 minutes when submerged one meter deep in distilled water. It is normal for water to enter the lamp and battery housings. Battery life will be diminished, however, the lamp will function. If properly dried, this wetness will not affect the lamp. DO NOT STORE YOUR LAMP
WET: remove battery cover, batteries, focus ring and reflector; and allow the housings to air dry thoroughly.(谁有空帮忙翻译一下吧。)