First of all, the piano lamp must be stroboscopic and spectral stable; Secondly, the irradiation area is wide, and the keys and music should be taken into account; Color temperature and color rendering index should also meet the requirements. Now there are many brands of eye protection lights on the market, the price from cheap to expensive. If you don't have so much budget, Hasbro's piano lamp is about 400, cost-effective; The price is one thousand yuan, the piano lamp of Aidi Siwan is good, small volume and large illumination.
Philips' good.
Philips Electronics is one of the largest electronics companies in the world and ranks number one in Europe. World leader in color television, lighting, electric shavers, medical diagnostic imaging and patient monitors, and single-chip TV products. With 166,500 employees, Philips is active in lighting, consumer electronics, home appliances and healthcare systems in more than 60 countries