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11
YRS
Shenzhen Langdeli Technology Co., Ltd.
Supplier
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Electric energy meter
Voice Recorder
Solar Panel
Geiger counter detector
electromagnetic radiation detector
Hygrometer
Multimeter
Decibel Meter
Alcohol Tester
Topsale products
Wall mount CO2 detector
mini smart CO2 meter
WIFI air quality Monitor
Air Quality monitors
Astronaut Starry Sky Projector
negative ion tester detector
Ozone meter O3
Handheld Air quality Monitor
Desktop Air analyzer monitor
Dust particles monitor PM2.5
Ungrouped
Portable Metal & ABS Air Quality Detector NDIR CO2 Sensor with Temperature and Humidity Comfortable Environment
$20.00 - $25.00
/
piece
1 piece
(Min. Order)
Tuya WiFi Multi-Function Air Quality Detector LCD Screen HCHO Dust Gas Analyzer CO2/PM2.5 Tester Laser Scattering Sensor Battery
$43.00 - $50.00
/
piece
2 pieces
(Min. Order)
2024 Hot Selling Wall Mount CO2 Gas Detector Big Screen PM2.5 CO2 Monitor and Meter Air Quality Monitor with NDIR Sensor Type
$33.00 - $40.00
/
piece
2 pieces
(Min. Order)
Wall Mount LED Screen CO2 Meter Portable PM2.5 CO2 Gas Analyzer with NDIR Sensor Air Pollution Monitor PM2.5 Detector
$33.00 - $40.00
/
piece
2 pieces
(Min. Order)
Dust detection high precision laser scattering / NDIR sensor 4 in 1 wall mounted CO2 pm2.5 meter air quality monitor CO2 PM2.5
$33.00 - $40.00
/
piece
2 pieces
(Min. Order)
Air quality monitor detector to test CO2 PM2.5 temperature humidity with time and alarm Spain Netherlands
$33.00 - $40.00
/
piece
2 pieces
(Min. Order)
Rechargeable Indoor Air Quality Monitor with Digital Display PM2.5 Gas Detector AQI Temperature Humidity Sensor Gas Analyzers
$25.00 - $35.00
/
piece
1 piece
(Min. Order)
CO2 PM2.5 HOCO air quality detector, home office CO2 detection analyzer
$41.00 - $47.00
/
piece
1 piece
(Min. Order)
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Tuya Customizable WiFi Weather Station Battery-Powered Thermometer with Weather Forecast Temperature Wind Speed Measurement
$25.00 - $30.00
/
unit
2 units
(Min. Order)
meter CO2 indoor co2 meter x Carbon dioxide sensor
$19.50 - $20.00
/
piece
2 pieces
(Min. Order)
2023 Indoor Multi-Function CO2 PM2.5 Air Quality Detector Infrared Instrument Thermohygrometer Carbon Dioxide Monitor
$55.00 - $70.00
/
unit
2 units
(Min. Order)
Tuya Dienmern Portable WIFI Air Quality Analyzer Desktop CO2 Sensor Meter PM2.5 PM10 Dust Testing Indoor Gas Tester Monitor
$52.00 - $60.00
/
unit
2 units
(Min. Order)
Tuya Indoor Weather Station with WiFi Alarm Clock and Weather Forecast Temperature and Humidity Display CE and RoHS Certified
$25.00 - $30.00
/
unit
2 units
(Min. Order)
2022 Latest Carbon Dioxide Detector with NDIR Sensor Industrial and DIY Grade Sound Level Decibel Noise Meter Supports ODM
$46.00 - $55.00
/
piece
2 pieces
(Min. Order)
Air Quality Monitor, Formaldehyde(HCHO) Detector auto gas analyzer PM2.5/TVOC NDIR CO2 Sensor gas detector with LCD display
$48.00 - $60.00
/
unit
1 unit
(Min. Order)
factory whole sale infrared temperature instrument digital thermometer Non-Contact temperature meter for classroom office
$6.99 - $8.99
/
piece
1 piece
(Min. Order)
Professional Handheld Digital Anemometer Portable Wind Speed Tester and Air Flow Meter China Original Factory
$6.15 - $12.95
/
piece
2 pieces
(Min. Order)
wall mount thermometer for room temperature digital multi thermometer hygrometer USB rechargeable Spain Germany
$36.00 - $50.00
/
piece
1 piece
(Min. Order)
original factory wall mount thermohygrometer temperature humidity monitor digital thermometer for classrooms
$36.00 - $50.00
/
piece
1 piece
(Min. Order)
Wireless sound level meter Tuya wifi CO2 meter noise sensor digital noise meter CO2 monitor wall mount noise tester
$50.00 - $65.00
/
piece
1 piece
(Min. Order)
4 in 1 wall mount CO2 meter usb sound level meter sound level measurement noise level meter CO2 monitor
$50.00 - $65.00
/
piece
1 piece
(Min. Order)
Professional Handheld Wind Speed Meter Digital Display Portable Air Flow Meter for Air Flow Testing in Spain Germany
$6.15 - $12.95
/
piece
2 pieces
(Min. Order)
Main product
Dienmern ndir Infrared CO2 Ppm Meter Carbon Dioxide Air Detector Monitor Tester Analyzer Gas Analyzer for Air Quality
$26.00 - $35.00
/
piece
2 pieces
(Min. Order)
Portable ozone deodorizing Ozone Generator Mask Disinfection Machine For Air Treatment Ozone Generator O3 Disinfection Machine
$26.00 - $35.00
/
unit
2 units
(Min. Order)
White Mini Carbon Dioxide Monitor LCD Screen Display Rechargeable NDIR Sensor CO2 Meter Gas Detector CE/ROHS Certified Desktop
$20.00 - $28.00
/
piece
2 pieces
(Min. Order)
Multi-Function CO2 Monitor with Time and Alarm for Spain and Netherlands Measures CO2 PM2.5 Temperature and Humidity
$35.00 - $45.00
/
piece
2 pieces
(Min. Order)
2024 Hot Selling Wall Mount CO2 Gas Detector Big Screen PM2.5 CO2 Monitor and Meter Air Quality Monitor with NDIR Sensor Type
$33.00 - $40.00
/
piece
2 pieces
(Min. Order)
WIFI connect Multi-Function CO2 Meter PM2.5 Detector Carbon Dioxide Rechargeable Air Quality monitor co2 Analyzer CO2 Monitor
$52.00 - $60.00
/
unit
1 unit
(Min. Order)
Handheld O3 Ozone Meter Air Quality Monitor and Gas Analyzer Indoor Ozone Tester with Temperature and Humidity AQI Support ODM
$39.00 - $55.00
/
piece
2 pieces
(Min. Order)
NDIR infrared CO2 meter PM2.5 PM10 PM1.0 gas detector Dust Particle Counter air quality monitor for school hospital home office
$48.00 - $60.00
/
unit
2 units
(Min. Order)
Main product
Handheld Ozone Gas Detector PM2.5 TVOC Monitor Meter Air Pollution Tester and Analyzer for O3 Concentration Measurement
$54.50 - $65.00
/
piece
1 piece
(Min. Order)
High Precision Indoor Air Quality Monitor O3 Ozone Analyzer PM2.5 TVOC Tester Detector Type for Home Office School Hospital Use
$54.50 - $65.00
/
piece
2 pieces
(Min. Order)
Main product
Portable CO2 Monitor with Wall Mount Digital Air Quality Tester NDIR Sensor Rechargeable Battery Carbon Dioxide France Spain
$25.00 - $30.00
/
piece
1 piece
(Min. Order)
Tuya wifi connect CO2 monitor mini co2 meter infrared carbon dioxide tester egg shaped CO2 gas analyzers air quality monitor
$22.00 - $28.00
/
piece
1 piece
(Min. Order)
Tuya Portable CO2 Gas Detector WiFi Wall Mount CO2 Meter with NDIR Sensor Type Air Quality Monitor and Carbon Dioxide Analyzer
$36.00 - $50.00
/
piece
1 piece
(Min. Order)
Mini CO2 Meter with Infrared (NDIR) Sensor CE Certified Gas Analyzers for Carbon Dioxide (CO2) Detector with Alarm Home School
$14.90 - $18.99
/
piece
2 pieces
(Min. Order)
Wall-Mounted 2000mAh Infrared (NDIR) CO2 Meter Popular in Japan Europe Spain Germany with Built-In Battery and CE Certified
$25.00 - $30.00
/
piece
2 pieces
(Min. Order)
Portable NH3 Gas Detector with LCD Display Ammonia Detectors and Tester Meter Air Quality Monitor for NH3 Flow Sensor
$42.00 - $50.00
/
piece
2 pieces
(Min. Order)
CE Certified Formaldehyde Detector Air Quality Monitor HCHO PM2.5 TVOC Analyzer Smoke Dust Diagnostic Meter Home Car Gas
$19.95 - $25.00
/
piece
2 pieces
(Min. Order)
Portable CO2 Meter and Detector with Alarm Mini CO2 Gas Analyzers for Home and School Use Air Quality Monitor with NDIR Sensor
$14.90 - $18.99
/
piece
2 pieces
(Min. Order)
smart wifi connected CO2 monitor Air Quality monitor PM2.5 TVOC HCHO gas analyzer for school hospital office home T/F switch
$52.00 - $60.00
/
unit
2 units
(Min. Order)
Mini LED Display CO2 Meter Infrared Carbon Dioxide Gas Analyzer with Temperature Humidity Air Quality Monitor for Classrooms
$18.50 - $24.79
/
piece
2 pieces
(Min. Order)
OEM Air Quality Monitor CO2 Meter with PM2.5 Pollution Sensor Laser Scattering HCHO and TVOC Detector Type
$55.00 - $70.00
/
piece
1 piece
(Min. Order)
Portable Handheld Digital Air Quality Meter PM2.5 PM1.0 PM10 HCHO TVOC Detector Indoor Air Quality Test CE ROHS Certification
$25.00 - $35.00
/
unit
2 units
(Min. Order)
Tuya App-Connectible WIFI Air Quality Detector CO2 PM2.5 HCHO TVOC Gas Monitor with Temp Hum Indoor Desktop Type OEM Supported
$54.00 - $60.00
/
unit
2 units
(Min. Order)
Dienmern Portable USB Charging Handheld Ozone Meter Gas Analyzer for Air Quality Monitoring O3 PM2.5 AQI
$54.50 - $65.00
/
piece
2 pieces
(Min. Order)
Dienme CO2 meter Medidor de Co2 carbon dioxide tester Ensayo de CO2 Dioxido de Carbono,Sensor de CO2 y calidad del aire interior
$32.10 - $37.00
/
unit
100 units
(Min. Order)
O3 Ozone meter Gas Detector Professional Gas Monitor Digital Electrochemistry sensor O3 Meter Air Gas Analyzer Sensor Tester
Gas Detector
Portable Gas Detector
Gas Analyzer
$45.00 - $70.00
/
piece
2 pieces
(Min. Order)
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