Instant notification via your app when carbon monoxide occurs. Stay informed even when you're not at home. Simply connect to a Zigbee gateway. Works independently, even without an app. Can be networked and expanded to alert the entire household. Easy to connect with other smart products (e.g., red light in case of a CO alarm). Very loud alarm over 85 dB. Battery with a 3-year battery life. Long-life 10-year sensor. Control all Alecto Smart Life products with one app. Works with Tuya and Smartlife. Free Smart Life app available for Android and iOS. Battery status, connection status, and notifications via app. Compact and stylish design. Easy installation. Uses open ZigBee protocol. Test and short-time deactivation button. Low battery indicator with app. High quality: complies with EN50291-1:2018. Mounting hardware included. Dimensions (H x W x D): 60 x 60 x 49 mm. Battery operated (1x CR123A lithium included).