... iron,aliminium,zinc-alloy and crystal.* odd precision and long service life of spot light* The lights have ... die-casting spotlight,downlight,crystal spotlight,glass lamp,chandelierspotlight,LED lamps,LED high power,R lamp,energy saving lamp etc.* ... treatment,closed-endanti-static plating,corrosion strong.* Equipped with efficient energy-saving electronic transformer and high-efficiency lightsource ...