Woox R7049 smoke detector Photoelectrical reflection detector Interconnectable Wireless

— Mandatory in many European homes by 2021<br>- Works with voice control services of Amazon Alexa and Google Assistant<br>- Compatible with all other WOOX devices<br>- Zigbee 3.0 device, gateway not included in packageWOOX R7049. Power source: Battery, Input frequency: 2400-2483 Hz, Battery voltage: 1.5 V. Diameter: 12.8 cm, Height: 45 mm