First Alert BRK SCO2B Smoke and Carbon Monoxide (CO) Detector with 9V Battery

The BRK Brands, Inc. model No SCO2 is a battery powered single station combination smoke and carbon monoxide alarm specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories and other multi-family dwellings as defined in standard NFPA 101 Model SCO2 complies with UL217, UL2034, CSFM, NFPA 72, NFPA 720, HUD, FHA and other agencies that model their codes after the above agencies. They meet building codes where battery powered smoke and carbon monoxide alarms are required either separately or in combination.

Electrochemical Carbon Monoxide Sensor - the most accurate sensor available as compared to other sensing technologies Two Latching features: Alarm latch to easily identify initiating alarm after alarm condition has subsided. Low battery latch: to visually identify which unit is in low battery condition. Two Silence Features: Alarm Silence to temporarily silence nuisance alarms. Low Battery Silence to silence low battery chirp for up to 8 hours. Intelligent Sensing Technology helps reduce the number of nuisance alarms Includes mounting anchors and screws. End of Life Signal provides audible notification alarms needs to be replaced 10-Year Limited Warranty Specifications: Model Number: SCO2B Weight: 7.6 oz Dimensions: 5.6" dia x 2.0"H Operating Voltage: 9V alkaline battery operated (not hardwired) Temperature Range: 40°F (4°C) to 100°F (38°C) Humidity Range: 10% to 95% relative humidity (RH) Audio Alarm: 85dB at 10 feet Test/Silence: Electronically simulates smoke condition or carbon monoxide condition, causing the unit to alarm. Press and hold test/silence button Alarm Reset Automatic when smoke and/or CO clears Smoke/CO Sensor: Dual chamber ionization/Electrochemical Indicator Lights/Sounds DC Power: Intermittent Green LED Local Alarm: Red LED flashes rapidly Alarm Latch: Red LED flashes 2 sec on/2 sec off after local alarm stops Low Battery Latch: Green LED flashes on for 2 seconds, off for 2 seconds. Note: Latching features are active for 15 minutes only. Listing Listed to UL217 and UL2034 Standards