It is a perfect option for your modern decoration. -the led ceiling lighting uniformly without flickering, protecting your eyes from harsh and glare lights. attention: -the led ceiling light has blue and brown wires, blue for hot, brown for neutral. -the connection port makes it easier and safer to wire. - the ceiling light fixture is not waterproof, it is not suitable to mount outside, only used indoor.we deliver and pay on delivery. also installation can be provided as well.