What delivery time can we guarantee?

Delivery time depends on the actual order quantity, usually it will take about 2-30 days to deliver. If goods are in stock, it will take about 1-3 days. If some are not in stock and small quantity, it will take about 5-10 days. If customized order, and no more than 200-300pcs, it will take about 20-25 days normally. If bulk order up to 1000pcs, it will take 30 days.

Portable Pm2.5 Detector with Alarm Function and 800mAh Rechargeable Battery for Air Quality

Name: Portable Pm2.5 Detector with Alarm Function and 800mAh Rechargeable Battery for Air Quality
Brand: Shenzhen Langdeli Technology Co., Ltd.
SKU: 1962437731

Guangdong, ChinaShenzhen Langdeli Technology Co., Ltd.

US$17.00

1-99 Pieces

US$16.00

100-499 Pieces

US$15.00

500-999 Pieces

US$14.50

1,000+ Pieces

Sample price:US$17.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Model NO.

DM1209A

Product Name

Pm2.5 Air Quality Monitor

Material

ABS

Color

White,Grey,Silver

Pm2.5 Sensor

Laser Scattering

Pm2.5 Range

0~999 Ug/M3

Detecting

Pm2.5, Temperature, Humidity

Transport Package

Neutral Box

Specification

70*70*28MM

Trademark

Dienmern

Origin

Shenzhen, China

HS Code

9027100090

Production Capacity

50000 Pieces/Year

Key features

Laser Scattering Technology: Utilizes advanced laser scattering for accurate PM2.5, temperature, and humidity detection.

Multi-Parameter Detection: Measures PM2.5 (0-999 ug/m3), temperature (-10-50C), and humidity (20-85%RH).

Built-in Alarm Function: Features audible and visual alarms when PM2.5 levels exceed 200 mg/m3.

Long-Lasting Battery: Equipped with an 800mAh rechargeable lithium battery for portable use.

1-Year Warranty Coverage: Includes a comprehensive 1-year warranty for mechanical defects and parts.

Multiple Color Options: Available in White, Grey, and Silver to suit different aesthetic preferences.

LCD Screen Display: Clear LCD screen provides real-time data visualization for all measured parameters.

Global Certifications: Products certified with CE, RoHS, FCC, PSE, and ISO9001 for safety and quality.

Company profile

Shenzhen Langdeli Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2013-05-17Nearest Port: shenzhenAverage Response Time: ≤15hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryLangdeli Technology Co., Ltd. is identified as a China-based manufacturer/factory specializing in testing instruments, including air-quality monitors, gas detectors, radiation monitors, and related devices. The supplier reports 10 years of manufacturing experience, its own factory and production facilities, more than 10 production lines, an ISO 9001 management-system certification, and 6–10 R&D engineers and quality-control staff. It also states that its products hold CE, RoHS, PSE, and FCC certifications and that it has invention and utility-model patents. The supplier claims customized solutions, strategic partnerships with large companies, broad institutional and enterprise usage, and sales and after-sales service capabilities. However, the provided information does not establish independent verification of these claims, detailed financial strength, or specific customer names and project outcomes.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and describes itself as a professional testing-instrument manufacturer with its own factory, production workshop, and office buildings. Its stated product scope includes air-quality monitors, gas detectors, radiation monitors, and other testing instruments.

CertificationsThe supplier reports ISO 9001 certification for its management system and states that its products have passed CE, RoHS, PSE, and FCC certifications. These are explicit certification claims, although the provided slices do not include certificate numbers, validity dates, or issuing-body verification.

After-Sales capabilityThe supplier states that it has a comprehensive sales team and channel system capable of quickly responding to customer needs and providing professional pre-sales consultation and after-sales service. The evidence supports the existence of a stated service structure, but does not provide service-level metrics, response times, warranty terms, or repair arrangements.

R&D capabilityThe supplier identifies itself as a high-tech enterprise, reports a professional R&D team, emphasizes technological innovation, and claims multiple invention and utility-model patents. It also reports 6–10 years of combined R&D-engineer experience, providing explicit positive evidence of innovation resources and activity.

Production capacityThe supplier states that it operates its own factory and production workshop, has advanced production equipment, and runs more than 10 production lines. It also reports 6–10 quality-control staff, indicating established production and quality resources, although actual capacity, output, and utilization are not specified.

Customization capabilityThe supplier explicitly states that it provides customized testing-instrument solutions and maintains R&D, production, and sales capabilities for testing instruments. This supports customization capability, but the slices do not specify customization scope, engineering lead times, minimum order quantities, or examples of completed customized products.

Client casesThe supplier reports strategic partnerships with multiple large companies and says its products are used by government agencies, environmental-protection departments, health-supervision departments, food enterprises, and other fields. These statements indicate broad claimed application and customer exposure, but no customer names, order details, or independently verifiable case studies are provided.

Product Q&A

Q:Who are we?

We are a manufacturer that has been producing and exporting various testing and digital instruments over 11 years. We are based in Guangdong, China, starting from 2013, sell to North America(25.00%), Western Europe(20.00%), Southern Europe(13.00%), Eastern Europe(9.00%), Northern Europe(8.00%), South America(7.00%), South Asia(5.00%), Eastern Asia(5.00%), Southeast Asia(5.00%), Central America(2.00%), Mid East(1.00%). There are total about 51-100 people in our office.

Q:How can we guarantee quality?

Always a pre-production sample before mass production; Always final Inspection before shipment. Certificates can be provided, including CE, Rohs, FCC, MSDS, UN38.3, ISO9001 etc.

Q:What can you buy from us?

a.WiFi Tuya meter (CO2/PM2.5/PM1.0/PM10/Temperature/Humidity/HCHO/TVO) b.Wall mounted decibel meter c.PM2.5 detector, combined with CO2/Temperature/Humidity d.Multi-functional detector measuring PM2.5/HCHO/CO2/PM1.0/PM10/temperature/humidity e.Geiger counter, nuclear radiation detector/electromagnetic radiation detector f.O3 (Ozne) meter g.NH3 meter h.CO meter i.O2 meter j.Alcohol detector k.Mental detector

Q:Why should you buy from us not from other suppliers?

a.Accept customized OEM/ODM orders. b.We provide one-year warranty and lifetime service for customers. c.Accept third-party inspection service to guarantee quality for you. d.Our products are private, developed and produced by our factory independently.

Q:What services can we provide?

a.Accepted Delivery Terms: FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU, Express Delivery; b.Accepted Payment Currency: USD, HKD, CNY; c.Accepted Payment Type: T/T, L/C, D/P, D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash, Escrow; d.Language Spoken: English, Chinese.