As an Amazon Associate, we earn from qualifying purchases. Visonic GSD-442-PG2 PowerG Wireless Carbon Monoxide Detector Visonic . GSD-442-PG2 Gallery Attributes Brand name, Manufacturer name, ManufacturerVisonic Extra Product NameVisonic GSD-442-PG2 PowerG Wireless Carbon Monoxide Detector moq, multiple, tierMinQty11 MPN, SKUGSD-442-PG2 qtyInStock0 tierPrice1139.50 Distributor offers SellerSKUMOQIn stockMultiplePrices 123securityproducts.comGSD-442-PG2111 @ $139.50