Yale Smoke Sensor Air-sampling detector Interconnectable Wireless connection

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