This Wide Operating Range: Our LED TV’S can operate over wide range of input voltage (AC 90- 300V ~50/60 Hz) without external stabilizers. Higher Efficiency: Higher efficiency (>90%) means less power dissipation & reduced electricity bills. Indian Standard: Products are compliant with “IS 616:2010” safety standards as recommended by Govt. of INDIA. Lightning Proof: They come with optimized Varistors in Power Supply unit. These help to withstand spikes in input supply and are specially designed to withstand lightning strikes. Weather Proof: They are designed to endure drastic changes in climatic conditions.