This underground farm belongs to a company called “0 Carbon Foodâ€. The company's main business is the production of rich, miniature green plants on underground farms by hydroponic farming. The LED lights on the farm are bright all day for 18 hours. At the same time, a powerful fan keeps the temperature in the farm between 21 ° C and 23 ° C. 36v charger for electric bike,waterproof supply,Waterproof Charger,waterproof 24v power supply FOSHAN SHUNDE KELICHENG POWER SUPPLY TECHNOLGY. CO,LTD , https://www.kelicpower.com