Shop Nilight Marine Boat Navigation Light 4PCS Red Green Port Starboard White Stern Lights Four Mode Waterproof Rechargeable Warning Safety Lamp for Skeeter Yacht Pontoon Trailer Truck Bike Backpack Helmet in high quality, support 2 year warranty. The lights can work normally in snowy/rainy/foggy weather. The bottom charging port is also equipped with a black silicone cover, which will not allow water to enter after the cover is closed. Do not soak in water for use, as it may cause the charging port and switch button to malfunction if water enters.