voice alarm system

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... Electronic Measuring Instrumen Walk Through Body Temperature Detector Door Machine for Hospital,/School/Airport/Building Fast Pass Walk...

Warning Contactless IR Thermometer Measurement Three Color Display Non-contact Warning Fast IR Thermometer Temp Measurement Th...

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... Product Parameter Monitoring Angle Horizontal355°,Vertical 90° Working Temperature -15℃－＋55℃ Backlight Compensation Automatic Electroni...

Chargeable LEL CO H2S O2 single gas portable gas detector with human function for industrial application Description: The portable t...

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....5cm Weight 1.45KG Operating temperature 40-+80degree volume 70-80dB (30cm) Working Voltage 9-36V Working Temperature -20℃ - 70℃ Maximum powe...

Digital 14 Kinds Grain Moisture Meter Cereal Hygrometer Voice Alarm Smart Metal Sensor Humidity Tester for Corn Rice Wheat Bean Grain Moisture Meter F...

... Temperature Humidity Detection(AJ-833W) Product model:SD0225 Protocol:Wi-Fi Sales Area:Mainland, China,Europe,Japan and South Korea,Afr...

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Remote Control WiFi Home Gas Detector Real Man Gas detecting reaction <30s, power consumption 1.5W, noise >70dB, weight 300g PROJECT PARTNERS GUARANTEE...

Music Alarm For AGV Cars, Robots, Automation Equipment Line Deliver the right alarm sound with high-quality digital amps, music that supports WAV, WMA...

Product Description Factory Automatic non-touch AI Temperature Measurement Device face temperature measurement Product Description A new type of AI vo...