Electric lights for Christmas trees; Christmas lighting, namely, electric holiday lights; lights for festive decoration, namely, electric holiday lights; electric light bulbs; sockets for electric lights; lighting apparatus and installations, namely, lighting installations and lighting fixtures; parts and fittings therefor for all the aforesaid goods; light bulbs; electric lighting fixtures; lighted party-themed decorations, electric light decorative strings

multifunction electronic instruments combining functions of photometers, radiometers and spectrophotometers