... / School/ Jewelry store/ Warehouse... Applications of MR16 led spot light 3W widely used for Indoor places: Factories, workshops, warehouse, Living room, ... grid, noise pollution and unstable light caused by ballast5.High-purity Aluminium shell, heat sink and hanging hook6.Lamp ... appearance.7.Lighting intensity is uniform and without glare.8.Corrosion, dust, water, and shake-resistant, no leakage or ...