Yale Smoke Sensor Air-sampling detector Interconnectable Wireless connection

Alarm decibels: 85 dB | Compatible battery sizes: CR2 | Screws included: Yes | Placement supported: Horizontal/Vertical | Product colour: Grey | Product colour: White | Maximum range: 1000 m | Height: 131.8 mm | Detector type: Air-sampling detector | Compatible battery sizes: CR123A | Wireless connection: Yes | Quantity per pack: 1 pc(s) | Mobile app support: Yes | Battery technology: Lithium | Width: 131.8 mm | Mobile operating systems supported: Android | Mounting type: Surface-mounted | False alarm protection: Yes | Power source: Battery | Interconnectable: Yes | Number of batteries supported: 2 | Package weight: 260 g | Depth: 40.3 mm | Connectivity technology: Wireless | Easy to install: Yes | Suitable for indoor use: Yes | Mobile operating systems supported: iOS | Weight: 210 g