Tuya Smart WiFi Siren Alarm
◆ Work with Amazon Alexa/Google Assistance
◆ Work Voltage: AC100-240V (built-in Lithium battery)
◆ Support 50pcs remote controllers and 50pcs Wireless sensors
◆ Alarm sound level: 110dB
◆ Plug option: EU/US
◆ Support 433Mhz wireless sensors;
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