Alibaba.com
Sourcing solutions
Services & Membership
Help
On Alibaba
Sign in
Join for free
My Alibaba
My Alibaba
Message Center
Manage RFQ
My Orders
My Account
Submit RFQ
Get multiple quotes within 24 hours!
Orders
0
Orders
Pending Payment
Pending Confirmation
Pending Actions
Trade Assurance
Learn more
Order with Trade Assurance
Favorites
0
Favorites
View all items
Sign in
to manage and view all items.
11
YRS
Shenzhen Langdeli Technology Co., Ltd.
Supplier
Assessed videos
Panoramic pictures
Factory inspection reports
Verified production lines
Home
Products
See all categories
Profile
Company Overview
Ratings & Reviews
Contacts
Promotion
Top picks
Product categories
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
Wall Hanging Digital Noise Sound Level Meter 30-130 dBA with Time Clock for Home School Baby Room Use 1-Year Warranty
$21.00 - $30.00
(Min. Order) 2 pieces
Large LED screen 30~130 dBA Decibel Multifunctional Sound Noise Level Meter with time clock Temperature Humidity
$21.00 - $30.00
(Min. Order) 2 pieces
Mini 6-in-1 Portable Air Quality Monitor PM2.5 AIQ Gas Detectors Temperature Humidity Meter ABS Dust Detector ODM Customizable
$21.00 - $25.00
(Min. Order) 2 pieces
Multi-Functional ABS Desktop Air Quality Monitor Laser Scattering Detector PM1.0 PM10 PM2.5 HCHO TVOC ODM Customization
$29.00 - $37.00
(Min. Order) 2 pieces
Multifunctional Desktop Air Quality Monitor PM2.5/PM1.0/PM10/HCHO Detector Formaldehyde Gas Analyzer OBM Customized Support
$29.00 - $37.00
(Min. Order) 2 pieces
Multifunctional Black Desktop Air Quality Monitor Formaldehyde Benzene PM2.5 Dust Detector ABS Material ODM OBM Customized
$29.00 - $37.00
(Min. Order) 2 pieces
Desktop PM2.5 Gas Analyzers PM10/PM1.0/PM2.5 Air Quality Meter Formaldehyde TVOC HCHO Detector ABS Material ODM/ODM Supported
$29.00 - $37.00
(Min. Order) 2 pieces
High-Accurate PM2.5 Air Quality Monitor Indoor Air Detector with AQI HCHO TVOC Detectors ABS Material ODM OBM Customized Support
$29.00 - $37.00
(Min. Order) 2 pieces
Featured products
Alibaba Guaranteed
Odm
Obm
Software Reengineering
Ozone O3 detector hygrothermograph thermo-hygrometer TH-CALC Palma II Temperature and humidity meter Air monitoring
$41.00 - $50.00
Shipping to be negotiated
Min. Order: 1 piece
Easy Return
2023 Nuclear Radiation Detector Geiger Counter X-ray Beta Gamma Detector Handheld Counter Emission Dosimeter geiger detector
$30.00 - $35.00
Shipping to be negotiated
Min. Order: 2 pieces
Odm
Obm
Software Reengineering
High Quality Air Quality Monitor with PM2.5 TVOC Temperature CO2 Alarm Function and 2000mAh Li-Battery ODM Supported
$45.00 - $55.00
Shipping to be negotiated
Min. Order: 2 units
Easy Return
Hot Breath Alcohol Tester analyze Tester Alcohol Breath Tester Japan
$5.50 - $10.00
Shipping to be negotiated
Min. Order: 1 piece
Odm
Software Reengineering
Air Quality Monitor
White ABS 4 in 1 Desktop Particulate Monitor PM 2.5 Air Detector with Real Time 1000 m Ah Rechargeable Battery
$16.95 - $20.99
Shipping to be negotiated
Min. Order: 2 pieces
Main product
Odm
Obm
Gas Detector
Household Indoor Air Quality Monitor Greenhouse Gas Detector PM 2.5 CO2 TVOV HCHO Sensor LCD Screen Display Battery Operated
$37.50 - $45.00
Shipping to be negotiated
Min. Order: 2 pieces
Easy Return
Handheld Geiger Counter with LCD Display X-Ray Gamma Ray Beta Ray Detector Radioactive Contamination Detection OEM Supported
$30.00 - $35.00
Shipping to be negotiated
Min. Order: 2 pieces
7 orders
Odm
9-in-1 Multifunction LCD Screen Air Quality Monitor TVOC PM2.5 Temperature Humidity Detector with ODM Supported
$32.00 - $40.00
Shipping to be negotiated
Min. Order: 2 pieces
Easy Return
Voice Recording
Voice Recorder
Recording
Professional Recording Digital Audio Recorder Mini 128GB Recording 1600 hours of files voice recorder
$17.30 - $25.00
Shipping to be negotiated
Min. Order: 2 units
Easy Return
Odm
Obm
Software Reengineering
DM601B LCD Display Screen CO2 PM2.5 PM1.0 PM10 HCHO TVOC AQI Temperature Humidity Detector Desktop Indoor carbon dioxide sensor
$43.00 - $50.00
Shipping to be negotiated
Min. Order: 2 units
Easy Return
Odm
Obm
Software Reengineering
Real-Time WiFi Indoor Air Tester with LCD Screen Multi-Gas CO2/PM2.5/HCHO Detector Customizable OEM ODM Support NDIR Sensor Type
$42.00 - $50.00
Shipping to be negotiated
Min. Order: 2 pieces
Easy Return
Professional Detector Fast Response Time Gas Analyzer Air Quality Monitoring PM2.5/PM10/HCHO/TVOC Pollution
$25.00 - $35.00
Shipping to be negotiated
Min. Order: 2 pieces
Easy Return
Main product
New House Indoor Air Quality Monitor Formaldehyde Detector TVOC Gas Analyzer Desktop CO2 PM2.5 PM1.0 PM10 HCHO Test for VOC
$47.00 - $60.00
Shipping to be negotiated
Min. Order: 2 pieces
Digital White Noise Level Meter 30-130 dbA Sound Measuring Instrument with Electret Condenser Microphone Time Clock Temperature
$21.00 - $30.00
Shipping to be negotiated
Min. Order: 2 pieces
Easy Return
4 in one Decibel Meter Noise Measuring Instrument Device db Meter Sound Level Meter with LED backlight adjustment
$21.00 - $26.00
Shipping to be negotiated
Min. Order: 2 pieces
Indoor/Car Wifi Air Quality Monitor Accurate Testing ,data record Detector for PM1, PM2.5 PM10 HCHO TVOC CO2 TEMP+HUM detector
$52.00 - $60.00
Shipping to be negotiated
Min. Order: 2 pieces
1
2
3