Warm Light Ceiling Lamps Comes in 2 Sizes Installation instructions I.Before installing, using, and repairing the lighting fixtures, please carefully read and refer to the assembly diagram 2. Before use, please pay attention to checking whether the wires and switches are intact, and ensure that the local voltage matches he voltage of the lighting fixtures. 3. Please turn off the power or switch before installing the lighting fixtures to ensure the safety of the installation personnel. 4. Do not install lighting fixtures above high-temperature objects, such as stoves or gas, Above the exhaust pipe and other objects, it may damage the lighting fixtures and even cause unnecessary trouble. 5. When the light fixture does not light up after connecting the sower supply, please check if the power cord has poor contact or is loose. Are there any missing wires or damaged lighting fixtures.