Item Tag: 40 meters
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Zigbee Smart Siren Alarm: Wireless Alarm for Security & Automation, App Control,
Model Number Zigbee Siren. Mfr Part Number Zigbee Siren. Communication protocol: Zigbee 3.0. Wireless standard: Zigbee IEEE 802.15.4. Alarm Notifications: Smart phone will get instant notifications when siren alarm triggered and check the log on APP.