Chuango Chuango Smoke Detector, SMK-500, 9VDC, 20 Mtrs, White (Inc. VAT) AED112.00 AED128.25 . The SMK-500 must be installed per NFPA instructions, and can only detect for smoke (not combustible fumes, temperatures or flames). It is recommended for corridors, basements, penthouses or other... (Inc. VAT) AED112.00 AED128.25 . Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity of Chuango Smoke Detector, SMK-500, 9VDC, 20 Mtrs, White Increase Quantity of Chuango Smoke Detector, SMK-500, 9VDC, 20 Mtrs, White Price: (Inc. VAT) AED112.00 AED128.25 . Subtotal: Add to Cart Add to Cart