" SPECTRUM " is your Smart Home Automation expert in Kolkata. We transform your home into a luxurious smart property. At " SPECTRUM " we're making it simple & affordable for you to intelligently control virtually any device of your Home. Control your Lights, Curtains, Audio & Video Equipments, AC, CCTV etc. from a Touch Screen Panel, Remote, Mobile App (Android/ IOS) or via Internet from any where in the World. * Wireless * No Extra Wiring * Perfect to Retrofit * Save energy & money For more details & demo please 📞 +91 6290486701 📧 spectruminfo4u@gmail.com