... ceiling light1.Shell protection grade: IP65 2. Corrosion-proof grade: WF2 3.Voltage:AC220V4. Light source:Induction Fluorescent ... start, no flicker and no glare.Applicable environment:a. Bullet-proof plastic materials, high transmittance, high-strength alloy materials ... with high-tech surface treatment; b. Corrosion-proof, impact-proof, can work long time in harsh environments.Mounting Mode ...