Tri-proof lighting Fixture Features: 1. The case is in arc streamline design, with good looking and novel appearance. 2. Made of high quality resin, it is endurable after treatment of electrostatic plating spray. 3. The lamp holder is in push type rotating design. Compact contract, safe and reliable. 4. Equipped with OUYING high quality ballast. Noiseless, low temperature rise, low consumption, and long lifetime. 5. Water proof,dust proof,damp proof.Strong and endurable. Applications: Household, school, office, meeting hall, factory ect.