Think about it. Now we have more and more solar products around us. For those who are keen on outdoor sports, if they can use solar energy to power their own electronic devices, it is simply better. A British company designed a solar LED baseball cap. Not only has a stylish appearance, but also has practicality. The baseball cap has a solar panel mounted on the edge of the brim. It is outdoors during the day, absorbs enough solar energy, can use LED lighting at night, read a book in the tent or catch the night road.

It takes 3 days for the cap to start charging and then it can be illuminated for 5 hours at full brightness. However, it can be fully charged after 8 hours in the sunlight. Moreover, wearing this hat, if the angle of the brim is properly adjusted, it can reach a distance of up to 30 feet. There's no problem going out at night. However, you must be mentally prepared. The price of this hat is not cheap, and it is $50. Convenience or to pay the price.

Universal Ion Controller

The ion content in water has a great influence on aquatic organisms and the ecological environment. Conditions where some ions are too high or too low can lead to aquatic life death or habitat destruction. By monitoring changes in water quality ions, timely measures can be taken to protect aquatic organisms and the ecological environment. The online ion controller can add a variety of ion composite sensors. Based on the ion selective electrode method, it can detect chloride ions, sodium ions, potassium ions, calcium ions, fluorine ions and other ions. In addition, the controller also has the function of temperature detection and compensation for the measured water sample. The ion controller is configured with 2 SPST relays by default, 2 channels of 4-20mA current output and an optional RS485 interface. The controller power supply is powered by a wide voltage to avoid interference caused by voltage instability. We currently offer ion controllers in two sizes, the small size is suitable for panel installation, and the large size can be wall-mounted or pipe-mounted.

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Suzhou Delfino Environmental Technology Co., Ltd. , https://www.daruifuno.com