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Humidity Alarm
29,922
products found
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Smart
Alarm
System Door Sensor Windows Burglar System Security
Alarm
for Home WiFi Smoke
Alarm
US$ 7
/ Piece
200 Pieces
(Min. Order)
Start Order
Shenzhen Dukewe Technology Co., LTD
Handheld Ozone Gas
Alarm
for Mobile Detection
US$ 650
/ Piece
1 Piece
(Min. Order)
Start Order
Qingdao Wingoal Trade Co., Ltd.
CE RoHS Hotel Hospital Security Smart Wi-Fi Photoelectric Smoke
Alarm
US$ 7.5-10
/ Piece
100 Pieces
(Min. Order)
Start Order
HENAN WEIGUO INTELLIGENT TECHNOLOGY CO., LTD.
Video
Practical Sound-Light
Alarm
Made in China
US$ 95-200
/ Piece
1 Piece
(Min. Order)
Start Order
Shaoxing Nante Crane Equipment Co., Ltd.
Video
4G Tuyasmart Home Security
Alarm
Wireless Intelligent WiFi Burglar
Alarm
Security Alexa and Google
US$ 1-80
/ Set
2 Sets
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
IP66 Waterproof Hydrogen Chloride HCl Gas Analyser Measurement
Alarm
Measurement Leakage Measurement
US$ 450
/ Set
1 Set
(Min. Order)
Start Order
SKZ International Co., Ltd.
Video
Fixed 24h Online N2 Nitrogen Gas Leakage
Alarm
US$ 1000-5000
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Yuante Technology Co., Ltd.
Waterproof Backup / Reverse / Parking / Reversing Siren / Horn /
Alarm
for Truck
US$ 5
/ Piece
50 Pieces
(Min. Order)
Start Order
Shenzhen Topnavis Electronics Co., Ltd.
Video
Home Security Export Carton Wireless Stand Alone Smoke
Alarm
US$ 2.5
/ Piece
3000 Pieces
(Min. Order)
Start Order
Ningbo Kingdun Electronic Industry Co., Ltd.
Photoelectric Type Temperature Detection
Alarm
Heat Sensor Fire
Alarm
US$ 5.4-6.48
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Sumring Technology Co., Limited
CE Certified Carbon Monoxide
Alarm
US$ 5-6
/ Piece
10 Pieces
(Min. Order)
Start Order
Ease Security Co., Ltd.
Video
Economical and Practical Sound-Light
Alarm
in Easy Operation
US$ 95-200
/ Piece
1 Piece
(Min. Order)
Start Order
Shaoxing Nante Crane Equipment Co., Ltd.
Video
Wolf Guard Wireless Smart Security Sensors Intruder Detection PIR BLE Movement Sensor
Alarm
US$ 39-39.5
/ Piece
5 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Tuya Smart Zigbee Door Sensor Open Close Status Window Sensor
Alarm
US$ 8.09-9.59
/ Piece
10 Pieces
(Min. Order)
Start Order
Yueqing Winston Electric Co., Ltd.
Video
Home Security Living Room Famous Brand Existing Goods Fast Delivery Wireless Smoke
Alarm
US$ 6
/ Piece
1000 Pieces
(Min. Order)
Start Order
Ningbo Kingdun Electronic Industry Co., Ltd.
Video
Acrel 8 PT100 Measurement Artm-8 Multi-Channel Temperature Controller Thermostat 2
Alarm
Relays with RS485 for Distribution Box
US$ 70-90
/ Piece
1 Piece
(Min. Order)
Start Order
ACREL CO., LTD.
WiFi Tuya Smart Water Leak Sensor Detector
Alarm
Flood Water Leakage Alert
US$ 6.12-8.79
/ Piece
1 Piece
(Min. Order)
Start Order
Hefei Minco Heating Cable Co., Ltd.
Video
Voice Prompt WiFi House 2g/4G GSM Wireless Intruder Burglar Home Security
Alarm
with APP Control
US$ 29.9-32.9
/ Set
20 Sets
(Min. Order)
Start Order
Zuden Technology (HK) Co., Limited
Smart WiFi Water
Alarm
with Home Automation Function (ES-9400W)
US$ 6-10
/ Piece
10 Pieces
(Min. Order)
Start Order
Ease Security Co., Ltd.
Conventional Fire
Alarm
Explosion Proof Strobe Sounder
US$ 170
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Asenware Test and Control Technology Co., Ltd.
Rmld Remote Methane/Gas Laser
Alarm
US$ 9500-11300
/ Piece
1 Piece
(Min. Order)
Start Order
Qingdao Alptec Safety Equipment Co., Ltd.
Video
Hot Selling Sound-Light
Alarm
with Superior Quality
US$ 95-200
/ Piece
1 Piece
(Min. Order)
Start Order
Shaoxing Nante Crane Equipment Co., Ltd.
Video
Pump Built in Electronic 0-999 Odor Gas Testing
Alarm
Unit Detector
Alarm
Unit Monitor
Alarm
Unit
US$ 800
/ Set
1 Set
(Min. Order)
Start Order
SKZ International 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.
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Category
Electrical & Electronics
UPS
Temperature & Humidity Sensor
Security & Protection
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Wired Alarm
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Working Principle
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Alarm Volume (Within 1m)
≥80dB
≥90dB
≥100dB
≥110dB
Receive Frequency
315MHz
433.92MHz
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