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Humidity Alarm
26,097
products found
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Soil Moisture and
Humidity
Detector
Humidity
Sensor Plant Hygrometer
Alarm
US$ 4.99-5.99
/ Piece
10 Pieces
(Min. Order)
Start Order
Nanjing Yinhi Baby Gifts Co., Ltd.
Video
Smart Home LED Tuya Smart Life APP Remote USB 3 in 1 Sound Light Siren
Alarm
Wireless WiFi Temperature and
Humidity
Sensor/
Alarm
System
US$ 9-11
/ Piece
1 Piece
(Min. Order)
Start Order
Quanzhou Feidun Security Technology Co., Ltd.
Video
Hot Tuya Smart WiFi Temperature and
Humidity
Sensor Home Safety Smart Temperature
Alarm
US$ 9-11
/ Piece
1 Piece
(Min. Order)
Start Order
Quanzhou Feidun Security Technology Co., Ltd.
WiFi Tuya Smart CO2 Detector 3 in 1 Carbon Dioxide Detector Air Quality Monitor Temperature
Humidity
Air Tester for CO2
Alarm
US$ 32.9-40.1
/ Piece
1 Piece
(Min. Order)
Start Order
WENZHOU NOVA NEW ENERGY CO., LTD.
Humidity
Temperature Datalogger, Temperature
Humidity
Data Logger Recorder USB
Alarm
Wbb12916
US$ 44-52.8
/ Piece
100 Pieces
(Min. Order)
Start Order
Ningbo Ezfocus Co., Ltd.
Humidity
Temperature Datalogger, Temperature
Humidity
Data Logger Recorder USB
Alarm
Esg12916
US$ 44-52.89
/ Piece
100 Pieces
(Min. Order)
Start Order
Ningbo Easyget Co., Ltd.
Video
RS485 8DI 6AI 4DO Cellular Flow Meter Data Aquisition SMS
Alarm
Controller
US$ 148-195
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Beilai Technology Co., Ltd.
WiFi Toxic and Harmful Flammable Gas Carbon Dioxide 4G Oxygen Detector
Alarm
CO2 with Bluetooth Printer
US$ 111-139
/ pcs
1 pcs
(Min. Order)
Start Order
Shenzhen Toprie Electronics Co., Ltd.
Video
SMS
Alarms
for Data Monitoring and Acquisition in Industrial Automation
US$ 148-195
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Beilai Technology Co., Ltd.
Video
Air Quality with CO2 Temperature
Humidity
Sensors and Type C Rechargeable Battery
US$ 48-57
/ Piece
100 Pieces
(Min. Order)
Start Order
Shenzhen Langdeli Technology Co., Ltd.
Video
Remote Water Level Flood Temperature
Humidity
Power Failure Monitoring 4G Wireless RTU
US$ 107-154
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Beilai Technology Co., Ltd.
Video
Air Quality Monitor with Temperature
Humidity
CE & RoHS Certified Customizable Support
US$ 48-57
/ Piece
100 Pieces
(Min. Order)
Start Order
Shenzhen Langdeli Technology Co., Ltd.
Alarm
Controller with Temperature and
Humidity
Sensor Inputs for Environmental Monitoring RTU5023
US$ 62-98
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Beilai Technology Co., Ltd.
Video
Air Quality Monitor with CO2 Temperature
Humidity
Ageezer Sensor Type Ndir
US$ 48-57
/ Piece
100 Pieces
(Min. Order)
Start Order
Shenzhen Langdeli Technology Co., Ltd.
Industrial Power Failure
Alarm
gsm 4g temperature monitoring system RTU5023
US$ 62-98
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Beilai Technology Co., Ltd.
Video
Portable 3-in-1 Portable Co Gas Detector Carbon Monoxide Meter with Temperature
Humidity
Sensor Electronic Measuring Instrument
US$ 19.5-22
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Langdeli Technology Co., Ltd.
Tuya Smart Home WiFi Wireless Home Security
Alarm
Door Sensor, PIR Detector Google Assistant&Alexa
US$ 23-28
/ Piece
100 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Smart Home WiFi Outdoor Flash Siren
Alarm
US$ 38-45
/ Piece
100 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Remote monitoring for Unattended Plant Rooms 8DI 4DO 1TH 1RS485 SMS Controller
US$ 107-154
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Beilai Technology Co., Ltd.
Video
Factory Price 4G/2g Smart Life Intrusion WiFi Touch Anti-Thief Intruder GPRS/GSM Wireless Burglar Home Security
Alarm
with APP Control
US$ 42.9-46.9
/ Piece
20 Pieces
(Min. Order)
Start Order
Zuden Technology (HK) Co., Limited
Video
4G+WiFi Tuya Smart Life
Alarm
System Wireless Home Security System Burglar
Alarm
with Touch Keypad (YL-007W4t)
US$ 72-75
/ Set
1 Set
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Smoke Detector Fire
Alarm
Detector Standalone Smoke
Alarm
Sensor DC3V Battery Photoelectric Smoke
Alarm
US$ 4.5-6
/ Piece
10 Pieces
(Min. Order)
Start Order
Hangzhou Xinjian Electronic Co., Ltd.
Waterproof Backup / Reverse / Parking Siren / Horn /
Alarm
for Truck / Van
US$ 5
/ Piece
50 Pieces
(Min. Order)
Start Order
Shenzhen Topnavis Electronics Co., Ltd.
Video
Security Carbon Monoxide Detector Door
Alarm
with High Sensibility
US$ 2.5
/ Piece
2000 Pieces
(Min. Order)
Start Order
Ningbo Kingdun Electronic Industry Co., Ltd.
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Category
Security & Protection
Alarm
CCTV Camera
Electronic Lock
Electrical & Electronics
UPS
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Product Features
Signal Transmission
Wireless Alarm
Wired Alarm
Working Mode
Active
Certification
DOT
E-MARK
CE
ISO
FCC
RoHS
Mutcd
ASTM
AS/NZS
CCC
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Sensor Type
Infrared Alarm System
Electric Alarm
Acoustic Alarm
Vibration Alarm
Laser Alarm
Microwave Alarm
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Working Principle
Electro-Optical Type
Electromagnetic
Electromechanical
Electro-Acoustic Style
Alarm Volume (Within 1m)
≥80dB
≥90dB
≥100dB
≥110dB
Receive Frequency
229.95MHz
315MHz
433.92MHz
Usage
Door
Personal
Auto
Window
Fire
Smoke
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