Household Temperature Humidity Over limit Alarm

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ITH-11-B Bluetooth 5.0 Temperature and Humidity Monitor with App Control, IP65 Waterproofing and 2-Year Data Storage

US$14.99 Min. Order: 5 pieces

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WiFi Thermometer and Hygrometer with 3m External Probe, Digital Display and Remote Alarm

US$24.90 Min. Order: 1 piece

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WiFi Indoor Thermometer and Hygrometer with App Monitoring and Sound Alarm

US$7.70 Min. Order: 1 piece

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WiFi Temperature and Humidity Sensor with Indoor Alarm and App Control

US$7.29 Min. Order: 1 piece

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Smart 4 Inch Fresh Air HRV Ventilation System VOC PM2.5 Temperature Humidity Color Screen Monitor Controller

US$78-85 Min. Order: 1 piece

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Portable 3-in-1 Carbon Monoxide, Temperature and Humidity Alarm with Vibration Reminder for Camping

US$14.50 Min. Order: 2 units

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Smart Home and Hotel 4-in-1 CO Flammable Gas Temperature Humidity Detector with APP Control PC Material

US$14.60 Min. Order: 1 piece

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Smart WiFi Fridge Thermometer with 10m Detection Range, App Remote Alarm, ABS Material and Water Resistance

US$7.41-8.65 Min. Order: 10 bags

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Electronic Household Thermometer and Hygrometer with Alarm Function, Maximum and Minimum Temperature Memory

US$2.86-2.99 Min. Order: 200 pieces

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GSM SMS Temperature and Humidity Monitoring Alarm Sensor with AC Power Failure Alarm RTU5023

US$48-105 Min. Order: 1 set

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WiFi Smart Temperature and Humidity Alarm Sensor

US$30 Min. Order: 1 piece

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2-in-1 WiFi Smoke Detector and High-Temperature Alarm with Humidity Sensor

US$11 Min. Order: 1 piece

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Wireless Interlinked Heat Alarm BS5446 with 10-Year Battery

US$12-13 Min. Order: 2 units

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HD11R Photoelectric Heat and Smoke Detector with Remote Control, Tamper Alarm, 85 dB Sound and Relay Output

US$9.30-10.40 Min. Order: 2 pieces

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WiFi Indoor Hygrometer and Thermometer with Temperature and Humidity Sensor and Voice Alarm

US$2.90-3.30 Min. Order: 2 pieces

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WiFi Hygrometer and Thermometer with Indoor Monitoring and Flash Warning Alarm

US$6.50-7.80 Min. Order: 10 pieces

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WiFi Indoor Hygrometer and Thermometer with Temperature and Humidity Sensor and Voice Alarm

US$3.50 Min. Order: 4 pieces

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WiFi Temperature and Humidity Sensor with Remote Monitoring and USB Charging

US$11.50 Min. Order: 2 sets

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WiFi Indoor Hygrometer and Thermometer with Temperature and Humidity Sensor and Voice Alarm

US$3.54 Min. Order: 2 pieces

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Mini CO2 Detector with LED Display, Temperature and Humidity Monitoring, CO2 Limit Alarm

US$14.80-18.00 Min. Order: 1 Piece

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WiFi Temperature and Humidity Detector with App Remote Alarm for Hotels

US$9.50 Min. Order: 1,000 Pieces

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Output Current Upper/Lower Limit Overflow Alarm, IH=21mA, IL=3.8mA, 12-40V Power Supply

US$57.00-65.00 Min. Order: 1 Piece

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Humidity and Temperature Indicator with Over-Limit Alarm

US$33.10-42.40 Min. Order: 1 Piece

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RTU5023 GSM/GPRS/3G/4G/Cloud Temperature and Humidity Analog Voltage Power Status Alarm

US$62.00-98.00 Min. Order: 1 Piece