Onelink Safe & Sound Smart Smoke + Carbon Monoxide Alarm and Speaker with Amazon Alexa Brand new. In original packaging. Sticker on package torn to inspect contents, but it’s never been used. Smoke-free home. Color - White | Product Details | Power Source: Hardwired Battery Backup: 10 Year Sealed Lithium Sensor: Photoelectric and Electrochemical Smart Technology: Helps reduce nuisance alarms Noise Output: 85 dB with Voice Alerts Built-in Alexa Voice Services: Can play music, news, or audio books; hands-free with voice commands Voice Feature: Announces programmed location of the unit and danger detected Premium Home Speaker: Provides immersive, omni-directional audio with crisp vocals and powerful bass Wi-Fi and Bluetooth Wireless Interconnect: Can be linked with other compatible alarms Wi-Fi Enabled: Compatible with iOS 8 or higher and Android 5.0 or higher mobile devices Compatibility: Apple HomeKit, Apple Home and AirPlay 2 Multicolor Ring: Provides visual indication of various alarm states Easy Installation: Connects easily to electrical systems using the included adapter plugs Standards: UL 217 and UL 2034 Warranty: 3 Year Limited Product Dimensions (LxWxH): 6.8 x 2.26 x 6.8 in. Product Weight: 1.5 lbs.