supply of smart glass control panel , supply of 1) smart glass control panel with electronic converter equivalent to make aepl wi th following specification: input: 135-255 vac, 50hz single phase output: 110vac +-5% regulation, 50hz single phase, power:400va/280 watts (distributed through two transformer arrangement) each to power 5 glasses totalling 10 glasses :layout and design : to suit the existing panel input and output cabling - o ne to one connection. physical dimensions of panel : 665 mmx465mm x 215 mm (l*w*h)-01 nos. 2) towa rds providing external switch suitable for vistadome panel suitably pre-wired within the above panel-02n os. [ warranty period: 30 months after the date of delivery ] ]