product is brand new the in the box and is left over, over order from a complete project. details below The Honeywell Silent Knight SK-DUCT-W Intelligent Non-Relay DUCT Smoke Detector is a sophisticated and reliable fire protection device designed for commercial and industrial settings. Manufactured by the trusted brand Silent Knight, this smoke detector offers advanced technology to detect smoke effectively without the need for relay systems. With its model SK-DUCT-W, this device is a crucial component in ensuring safety and protection for businesses and industrial facilities.
