Connects to other Tuya Smart devices. This WiFi smart siren adds audible and visual alarms to your existing home system. You can add door/window sensors, motion detectors, wireless doorbells, and water detectors to create an effective standalone security system for your home. For example, if a water leak is detected, it will connect intelligently and trigger the alarm siren with sound. Please note: This alarm does not have a motion detection function and must be used with other Tuya Smart devices.APP remote control. No hub required. Wireless alarm siren supports Tuya Smart and Smart Life APP remote control. Features include scheduling, automatic push notifications, and sharing, so you can stay in control even when you're on the go. NOTE: only 2.4 GHz WiFi network supported; 5 GHz WiFi network not supported.Selectable tones. The home security alarm can produce sound and light when triggered, with a 100 dB loud sound and a bright red light that is clearly visible. 18 selectable alarm tones are pre-installed, allowing you to choose your preferred ringtone based on personal preferences.Easy installation and dual power supply. Set up the smart siren alarm system in minutes. Plug the USB power cable into any power outlet and mount it on the wall. The alarm station should always be connected to the power supply. The battery (not included) is only used as a backup power source.Wide application. The burglar alarm with sound and light alert has a wide range of applications, suitable for homes, restaurants, schools, hospitals, and nursing homes.With the Tuya Smart or Smart Life app, you can control the WiFi siren via your smartphone. Scheduling, push notifications, and manual control offer full control. Compatible with Alexa and Google Assistant control the alarm system via voice command. No hub required. Supports 2.4 GHz Wi-Fi. Not compatible with 5 GHz Wi-Fi.100 dB loud alarm, audible from a distance. 18 adjustable ring tones allow customization for enhanced security and convenience in daily life.Expandable with door/window sensors, motion detectors, and water sensors. The siren is automatically triggered when a door is opened ideal for your home, apartment, or business.Installed in minutes: simply connect via USB cable and mount on the wall. The alarm system must be permanently connected to a mains adapter.