Cart Remove item Thumbnail image Product Price Quantity Subtotal × design and construction of a 12v variable battery charger ₦ 5,000.00 design and construction of a 12v variable battery charger quantity ₦ 5,000.00 × DESIGN AND CONSTRUCTION OF AN AUTOMATIC INTRUDER ALARM SYSTEM USING INFRARED AND 7-SEGMENT DISPLAY ₦ 5,000.00 DESIGN AND CONSTRUCTION OF AN AUTOMATIC INTRUDER ALARM SYSTEM USING INFRARED AND 7-SEGMENT DISPLAY quantity ₦ 5,000.00 × design and construction of 12v-24v battery charger with full charge control ₦ 5,000.00 design and construction of 12v-24v battery charger with full charge control quantity ₦ 5,000.00 Update cart Cart totals Subtotal ₦ 8,997.00 Total ₦ 8,997.00 Proceed to checkout