Tuya ZigBee T&H&Siren 2-in-1 Sensor: Provides timely environmental detection and a siren alarm exceeding 90dB. Instant Alerts: Receive immediate notifications when the siren is triggered and check the log via the app. Perfect for homes, kitchens, offices, and more. Smart Integrations: Combine with other Tuya-based smart Wi-Fi products to create custom smart home scenarios. High-performance features include ultra-fast response, anti-interference capabilities, ultra-low power consumption, and cost-effectiveness. Supports 5V 1A USB power. Specifications: Standby: 61uA-180uA USB Port: 5V/1A Sound Intensity: 90db Detection Temperature: -10℃-80℃ Detection Humidity: 0%-100% Frequency: 2.4GHZ Communication Protocol: Zigbee 3.0 Standard: Zigbee IEEE 802.15.4 Range: 40M Color: White Material: Plastic Package Contents: 1 * 2-in-1 Siren Sensor