• 1.3 Megapixel IP Camera (1280x960) High Resolution • 1/3" Progressive Scan CMOS • HD Video Output • 4mm Lens• PoE • Low Illumination • Dual Stream • Day/ Night • IP66 • IR cut filter with auto switch • IR range: up to 90ft
System Sensor D4120 4 Wire Photoelectric Low-Flow Duct Smoke Detector The SYSTEM-SENSOR-D4120 4-wire photoelectric, low-flow, duct smoke detector senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute, temperatures of -4 degrees F to 158 degrees F, and a humidity range of 0 to 95 percent (non-condensing). A plug-in sensor head offers improved false alarm immunity and simple installation, testing, and maintenance.
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