A police officer or camper needs a light that works after being dropped in mud.
: Stay connected to two devices simultaneously (e.g., your phone and laptop). ipx551 best
Since "IPX551" appears to be a typo or a confusion between two very common waterproofing standards— and IPX5/IPX5 (often written as IP55) —this article addresses the most likely intent: finding the best devices with IPX5 water resistance . A police officer or camper needs a light