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Humidity Alarm
30,969
products found
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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
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
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
Battery Operated Co Carbon Monoxide Detector
Alarm
US$ 4-10
/ Piece
100 Pieces
(Min. Order)
Start Order
Mantern Industrial Co., Limited
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
Flexible Operation Packed in Carton Ntb Series Crane
Alarm
System
US$ 95-200
/ Piece
1 Piece
(Min. Order)
Start Order
Shaoxing Nante Crane Equipment Co., Ltd.
Video
Ard2f Three Phase Intelligent Motor Protection Relay Current Measurement Overload
Alarm
US$ 91
/ Piece
1 Piece
(Min. Order)
Start Order
ACREL CO., LTD.
AS-CGD501 Combusible Gas Detector Fire
Alarm
US$ 6-10
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Ansorl Technology Co., Ltd.
Video
Home Security Carbon Monoxide
Alarm
with CE Approved
US$ 2.5
/ Piece
3000 Pieces
(Min. Order)
Start Order
Ningbo Kingdun Electronic Industry Co., Ltd.
EU Us Au UK Tuya WiFi Smoke and Carbon Monoxide Detector Gas Leaking Sensor
Alarm
US$ 10.4-13.2
/ Piece
1 Piece
(Min. Order)
Start Order
Anhui Senta Intelligent Technology Co., Ltd.
Cl2 Portable Single Gas Detector Rechargeable Battery and
Alarm
IP65
US$ 199-550
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Yuante Technology Co., Ltd.
Video
Dahua OEM
Alarm
Hub Arc3000h-W2
US$ 62.5-66
/ Piece
1 Piece
(Min. Order)
Start Order
Hangzhou Paize Technology Co., Ltd.
Video
Tuyasmart WiFi 4G GSM Smart Home Security
Alarm
US$ 75-80
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Long Life Sensor OEM Portable Combustible C3h8 Methane Gas Safety Device Car
Alarm
Propane Gas Leak Detector
Alarm
US$ 1755-1950
/ Piece
1 Piece
(Min. Order)
Start Order
SKZ International Co., Ltd.
Video
HD-P800 Portable 4 in 1 Multi Gas Detector
Alarm
US$ 100-10000
/ Piece
1 Piece
(Min. Order)
Start Order
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
Rmld Remote Methane/Gas Laser
Alarm
US$ 9500-11300
/ Piece
1 Piece
(Min. Order)
Start Order
Qingdao Alptec Safety Equipment Co., Ltd.
Outdoor Solar Power Strobe Sirer with Woo Woo Woo
Alarm
Sound
US$ 18-20
/ Set
1 Set
(Min. Order)
Contact Now
Video
Best Sale Sound and Light
Alarm
Made in China
US$ 95-200
/ Piece
1 Piece
(Min. Order)
Start Order
Shaoxing Nante Crane Equipment Co., Ltd.
Video
En14604 Stand Alone Moke Detector Fire
Alarm
for Security
US$ 2.5
/ Piece
3000 Pieces
(Min. Order)
Start Order
Ningbo Kingdun Electronic Industry Co., Ltd.
Tuya WiFi/RF Smoke
Alarm
Detector Smoke Leak Detector Tester Smoke Sensor
US$ 6.13-8.36
/ Piece
1 Piece
(Min. Order)
Start Order
Anhui Senta Intelligent Technology 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
House Security Fire
Alarm
85dB 3years Battery Photoelectric Wireless Tuay WiFi Smoke
Alarm
US$ 9.07-9.69
/ pieces
1 pieces
(Min. Order)
Start Order
Shenzhen Ariza Electronic Co., Ltd.
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Category
Security & Protection
Alarm
CCTV Camera
Electronic Lock
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Working Principle
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Alarm Volume (Within 1m)
≥80dB
≥90dB
≥100dB
≥110dB
Receive Frequency
229.95MHz
315MHz
433.92MHz
Usage
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Smoke
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