Nexa ZSD-109 Z-Wave Wireless Optical Smoke Alarm The smoke alarm detects smoke particles and has a built-in temperature sensor to provide an early warning if a fire should occur. Connects to Nexa Bridge X (or other controller). Comes with battery and plug and screw for installation. - Z-Wave+- Pause function – silence the alarm temporarily for 10 minutes- Signal at low battery voltage- Compatible with Nexa Bridge-X (control unit)- EN 14604:2005 / AC:2008 Perfect for Nexa Bridge XEn smoke alarm everyone should have, but how do you know if the smoke alarm is alarming when you are not at home? Through Nexa Bridge X. Notifications & SMSWhen the smoke alarm goes off, you will receive both a notification and SMS to three selected contacts that you enter yourself. Turn on the lightsIf the smoke alarm sounds, the Bridge can automatically turn on all the lights connected to the Bridge X. Full control of the battery levelThe smoke alarm constantly sends its battery level to the Bridge. where you can keep track of it. When the battery is low, you will also receive a notification. Technical dataPower source: 2 x AA (included)Radio frequency: Z-Wave 868 MHzRange: up to 30 metersAlarm signal: 85 dB at 3 metersDimensions: 120 mm (25 mm high)Temperature sensor: 54-70°C (EN-54)Operating (temperature): 5-45°CDrift (humidity): 10-90%