wireless flood alarm with loud sound

you need a TellStick ZNet Lite V1/V2

The sensor reminds you if you have forgotten to close a window and keeps your home safe

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Ledvance SMART ZB Filament Gold Edison E27 Zigbee wireless flood alarm with loudClassic Edison shape with filament and Zigbee technology. Product features: Control via compatible smart home system (gateway and app). Voice control: Google Assistant, depending on the smart home system used. Network protocol: ZigBee 3. 0. Dimmable. Lifespan: up to 20,000 hrs. For full functionality, connection to a compatible smart home system (gateway and app) is required. Product benefits: Wireless control via app. Easy to install and use. Does