Our 3W LED lights cost around 120 yuan, while a 12W energy-saving bulb is typically priced at about 20 yuan. If you use the light for 8 hours daily, the 12W energy-saving bulb consumes 0.096 kWh per day, whereas our 3W LED only uses 0.024 kWh. That means you save 0.072 kWh per day, which adds up to approximately 26.28 kWh annually. The lifespan of an LED lamp is over 50,000 hours, while traditional energy-saving bulbs usually last around 5,000 hours—only 10% of Chinese products reach this level. So, in just one year, you might need to replace your 12W energy-saving bulb twice. Calculating the savings, using a 3W LED instead of a 12W energy-saving bulb saves about 26.28 kWh * 1 yuan/kWh + 2 * 20 yuan = 66.28 yuan per year. This means the cost of the LED lamp is paid off within two years. With a lifespan of over 50,000 hours, an LED can last around 10 years in a home. That means, after the first two years, the electricity and replacement costs for the next 8 years are effectively covered by the savings. Think about the time and effort it takes each year to buy two 12W energy-saving bulbs. Plus, these traditional bulbs contain harmful heavy metals that can be dangerous to the environment and health. This comparison highlights some key issues in the LED industry. While LEDs are more efficient and environmentally friendly, there's still a long way to go in terms of awareness and adoption. On September 22, 2010, Discovery Semiconductor announced the launch of a new generation of narrowband optical receivers supporting applications from 54GHz to 67GHz. These receivers can output -10dBm RF power or 200mV peak-to-peak voltage, support wavelengths of 1310nm and 1550nm, offer a power gain of 20dB, consume less than 200mW, and have low amplitude amplification jitter. According to Discovery, the product is suitable for V-band RF fiber links, enhancing wireless transmission performance in satellite communication systems, microwave optical communication systems, and remote sensing antennas. Dr. Christina Lim from the University of Melbourne praised the high-frequency optical receiver as an excellent photoelectric converter capable of supporting 60GHz RF fiber optic systems. With this device, they achieved error-free transmission of a 1.8Gbps BPSK signal at 60GHz, with a received optical power of -9dBm. kaiping aida sanitary ware technology co.,ltd , https://www.kpaidafaucets.com