The combination smoke and carbon monoxide alarm shall be a BRK Model SC9126BTCA and shall provide at a minimum the following features and functions:

• An Ionization smoke sensing chamber.
• An Electrochemical co sensing chamber.
• The unit shall be capable of self restoring.
• Fully screened sensing chamber to resist entry of small insects thereby reducing the probability of unwanted alarms.
• Powered by 120V AC, 60Hz with 9V battery backup and a solid state piezo horn rated at 85dB at 10 ft.
• A visual green LED power-on indicator to confirm unit is receiving power or is in alarm.
• A full function test button should check all alarm functions by simulating a smoke and then co condition, causing the unit to alarm with condition specific alarm patterns.
• Two silence features - Temporarily silence unwanted nuisance alarms and low battery.
• 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.
• The unit shall be capable of operating between 40°F (4°C) and 100°F (38°C) and relative humidity between 10% and 90%.
• The unit shall have a gasketless base for easy installation and be capable of keeping alarm secure over a wide rotation range to allow for true alarm alignment.
• The unit shall have a plug in connector and be capable of interconnection of up to 18 alarms, 12 of which can be smoke alarms.
• Mfg #SC9126BTCA