Voltas 1.5 Ton 3 Star Split AC (Copper, 183 CZA, White) 183 CZA 1.5 Ton 3 Star Split Air Conditioner with high ambient cooling and active dehumidifier. High Ambient Cooling gives you instant cooling even at 50 C. 4 Stage Filtration Advantage - Removes allergens odours and other harmful particles to give you cool and fresh air. Active Dehumidifier - Senses the indoor humidity and controls it in the monsoon. Instant Cooling - Turbo Mode Cools the room instantly.