Different emergency lights use different types of bulbs. Depending on the intended environment, there may be a better ch

LED desk lamp (LED Book Lights), is the LED that is light-emitting diodes, as the light source of the desk lamp, LED is

Car lights (motor lamp) is the car's eyes, it has two functions, one is lighting, one is decorative. Car lights incl

Successful research and development of new coatings for Poly Solar Panel (Poly Solar Panel)U.S. Rensselaer Polytechnic I

1. Budget saving.1) Long life spanEnergy-saving lamps generally have a life of 1800 hours, calculated in accordance with

From 8:30pm to 9:30pm on March 27, more than 6,000 cities in more than 80 countries will spend an hour in darkness, not