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Smoke Detector ZA-606FK

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Product Specifications Wireless Protocol : FSK Transmission Frequency : 868MHz / 433MHz Transmission Power : ≤12dBm Operating Voltage : DC3V (AA battery × 2) Operating Current : <80mA Static Current : <60μA Operating Temperature : -10°C ~ +55°C Operating Humidity : ≤95%RH, no condensation Alarm Sound : 80dB (3 meters in front) Detection Range : 50 Square Meters Wireless Distance : 500m (outdoor open space) Battery Li