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Product	Price	Subtotal
Door Opening Alarm Using IR Sensor	₹248.00	₹248.00
Laser Alarm Security System	₹477.00	₹477.00
Fan Speed Controller using Graphite as Resistor	₹299.00	₹598.00
Bulb Light Intensity Control using Variable Resistor	₹360.00	₹360.00
Laser Alarm Security System Working School Science Exhibition Model , DIY Kit	₹425.00	₹425.00
LASER Security System , LDR Based Security System on Dotted/multipurpose PCB board	₹231.00	₹231.00