First Alert® Onelink™ DC10-500B (model DC10-500) is a 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. It has been fully tested and complies with, UL 217, UL 2034, CSFM, NFPA 72, NFPA 720, HUD, CSFM and NFPA 101 and other agencies that model their codes after the above agencies. It meets building codes where battery powered smoke and carbon monoxide alarms are required either separately or in combination along with wireless interconnect, voice with location and silence features and with model building codes published by the ICC.

First Alert® One Link™ Smoke and Carbon Monoxide Alarm, Bluetooth Wi-Fi Combination, Electrochemical/Photoelectric Sensor, Alarm: Audio, 18 Units Interconnection, 85 dB Alert, Amber/Blue/Green/Red/White Light Visual Alert, 10 to 95 % Humidity, 40 to 100 deg F Operating, Plastic, White, 5.38 in L x 5.38 in W x 1.44 in H Dimensions

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/First_Alert_DC10-500B_Specification_Sheet.pdf https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/First_Alert_DC10-500B_Specification_Sheet.pdf

• Onelink™ Wi-Fi and Bluetooth 10 years battery combination alarm with silence
• Wi-Fi and Bluetooth wireless interconnect
• Voice with location announces programmed location of the unit and danger detected
• Multi-color indicator ring provides visual indication of various alarm states
• Flood mesh network communication 2-way communication sends and receives providing a more reliable network
• 2-in-1 protection photoelectric smoke and electrochemical carbon monoxide sensors
• App receive notifications in case of an alarm, test and silence, check alarm battery life levels, alarm history and carbon monoxide levels on your iPhone®, iPad® or iPad touch®
• Works with Apple Homekit®
• 10 years carbon monoxide sensor, end of life
• 10 to 95% relative humidity
• 85 dB at 10 ft audible alarm