Ceiling lights :Any GU10 Bulbs can be installed, AS the lamp is a semi enclosed lamp. It is recommended to use a light source with a power below 40W, otherwise heat dissipation of light bulbs not easy and reducing their usage lifespan Light fittings ceilings :High Quality Material The spot lights ceiling is made of high quality metal which features rust-resistant, durable and sturdy. Rotatable and Adjustable：it can be tilted 180° and swiveled 350°, the ceiling light GU10 can point in different directions as needed to illuminate different areas of the room. Ideally suited as a dining room light or bedroom light. Bedroom lights ceiling Wide Applications - It can be widely used for any place, such as living room, kitchen,bedroom, games room, hallway, stairwell and lounge. It can be wall mounted or ceiling mounted as indoor lighting. Hallway lights ceiling Warranty ：please feel free to find us via Amazon messages if you have any question.