- R7051 Smart Indoor Siren is there to alarm you and your loved ones when something is wrong in your security set up - You connect the R7051 Smart Indoor Siren to other WOOX security devices and the siren will follow up by a solid alarm sound whenever it is needed - Motion, movement, smoke, water leak, bad air quality, too high temperature, SOS button pressed or a door is opened without permission? - All these things and much more can be set as a direct trigger to let the WOOX R7051 do what it can do best - To use this Smart Siren a WOOX Zigbee gateway is required like the R7070 (not included) Features - WOOX Zigbee Security Sensor Family Member - A WOOX Zigbee Gateway is required to use this product - Works well with all other WOOX Smart devices - Works with voice control services of Amazon Alexa and Google Assistant Specifications - Power: DC 5V / 1A - Battery: 500mAh, rechargeable (included) Alarm - sound: >85dB - Dimension: 80×80×34 mm - Wireless connection: Zigbee 3.0 - Connection distance: indoor 10-30 m - Frequency: 2.4 - 2.483GHz - Working temperature: -10C to 50C - Working humidity: 0% - 95% RH, no condensation