We provide Tender Bidding Support for Supply of Audio Visual Indication In Polycarbonate Box With Suitable Mounting Arrangement. Operating Voltage 70-135V Dc With Wago Termination. Note-Buzzer Sound Should Be More Than 90 Db At One Meter Distance, Led Based Indication Lamp Size 22.5 Mm Should Be In Red Colour.One Sample To Be Got Approved Before Bulk Supply Warranty Period: 30 Months After The Date Of Delivery