Your TV is strong and durable now. It has 4 types of protection. Its protected against : 1) Dust: BRAVIA has no ventilation holes on the back of the TV, dust stays out.2) Lightening: Advanced protection shields your TV against Lightening.3) Humidity: Anti-humidity coating on the circuit board prevents short-circuits caused by high moisture.4) Surge: Primary capacitor protects against unstable electricity.