Install elation step 23% 4 aH Note: ZI /A l. Keep it clean during installation to avoid scratches on the surface of lamps and wires. 2.Do not install on the wall, the environment should be ventilated and dry. It should be installed by a professional electrician. 3. The lamp shall not be close to corrosive chemicals and gases such as acids and alkali. It shall not be cleaned with water and can only be wiped with a clean soft cloth. 4.