Direct Wire Combination Carbon Monoxide And Photoelectric Smoke Alarm - 120 Volt - Electrochemical - Test/Silence Button - Locking Feature - Separate Smoke And CO Visual And Audible Indicators - Permanent Sensor - Interconnectable With Gentex Smoke Alarms - 9 Volt Battery Included - Alarm Diameter: 6-1/4" - Mfg #GN503
                   - Operates on 120VAC with 9VDC battery back-up
- Smoke alarm sensor is of photoelectric type and carbon monoxide sensor is of electrochemical type
- Temporal 3 tone sounder for smoke annunciation and temporal 4 tone sounder for CO annunciation
- Tandem interconnect with all other Gentex tandem capable alarms
                             | Make & Model |  | 
                            | Battery Manufacturer | Duracell | 
                     | UNSPSC | 46191505 | 
                     | Battery Model/Part No. | Duracell MN 1604 | 
                     | Manufacturer Part Number | 918-0007-002 | 
                 
                              | Material/Color/Finish |  | 
                            | Color / Finish | Textured Plastic White | 
                 
                                | Specifications |  | 
                            | Made in the USA | Yes | 
                     | Country of Origin | USA | 
                     | Voltage (2) | 120 V | 
                 
                         | Packaging Dimensions |  | 
                                 | Width (In) | 6.13 in | 
                             | Depth | 6.2 in | 
                             | Height | 3.1 in | 
                             | Weight | 1.65 lb | 
                             | Width | 6.1 in | 
                    
                   | Product Features |  | 
                            | TAABAA | Yes | 
                     | Brand | Gentex Corporation | 
                     | Alarm Power Source | AC-Hard-Wired | 
                     | Battery Backup | Yes | 
                     | Digital Display | No | 
                     | FOB | No | 
                     | Smoke Detector | Yes | 
                     | Test/Reset Button | Yes | 
                     | UPC Code | 700217028094 | 
                     | Voice Alert | No | 
                     | Supplier Product Name | Combination Photoelectric Smoke & Carbon Monoxide Alarm | 
                     | Manufacturer Name | Gentex Corporation | 
                     | Manufacturer Model No | GN-503F | 
                  
                   | Certification & Standards |  | 
                        | GSA Approved | No | 
                 | UL Listed | Yes | 
                 | ETL Listed | No |