What is the warranty period for this product?

All models come with a one-year warranty covering maintenance costs.

Is the device waterproof?

Yes, it has an IP65 rating, making it dust-tight and resistant to water jets.

How is the device powered?

It is powered by a 3.7V DC Li-MnO2 battery with a capacity of 1350mAh.

Cost-Effective BLE Temperature Data Logger for Refrigerator Freezer

Name: Cost-Effective BLE Temperature Data Logger for Refrigerator Freezer
Brand: Shenzhen Eelink Communication Technology Co., Ltd.
SKU: 754259555

Guangdong, ChinaShenzhen Eelink Communication Technology Co., Ltd.

US$15.00

1-99 Pieces

US$12.00

100+ Pieces

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

Customized

Non-Customized

Certification

Model NO.

BTT01

IP Rating

IP65

Screen Size

No Screen

SD Card Memory Size

1MB

Measuring Medium

Temperature

Type

Paperless Logger

Bluetooth Module

Bluetooth 5.0 Nrf52840

Distance Range

300meters in Open Area

Application

Food, Fruit,Vegeatble, Drugs,Cold Chain

Battery Capacity

1350mAh

Working Temperature

-20 C to 60 C

Operating Humidity

20%~80%Rh

Voltage

3.7V DC

Broadcast Intervals

5seconds

Collect Interval

60 Seconds

Saving Intervals

300 Seconds

Case Color

Grey

Red Light Indicator

Temperature Alarm

Blue Light Indicator

Device Work Normally

Standby Current

16ua

Peak Current

45mA

Transport Package

Gift Box, Carton Box

Specification

66.5(L)X56(W)X6.7(H)

Trademark

Netural or OEM logo mark

Origin

Shenzhen, China

HS Code

8526911000

Production Capacity

100, 000 Pieces Per Month

Key features

Bluetooth 5.0 Connectivity: Equipped with nRF52840 chipset for stable 300m open area transmission.

IP65 Waterproof Rating: Dust-tight and protected against water jets for harsh environments.

Long Data Storage Capacity: Stores up to 180 days of temperature data with 300-second intervals.

High Precision Monitoring: Temperature accuracy of +/-0.5C within 0C to 65C range.

Customizable Intervals: Collecting, saving, and broadcasting intervals adjustable via APP.

Real-Time Alarm System: Red light indicator flashes when temperature exceeds set limits.

Extended Battery Life: 1350mAh Li-MnO2 battery supports long-term monitoring operations.

OEM & ODM Services: Logo customization, special function tracking, and protocol software support.

Company profile

Shenzhen Eelink Communication Technology Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Trading CompanyExport Year: 2004-06-05 CertifiedNearest Port: ShenzhenAverage Response Time: ≤24h CertifiedTerms of Payment: T/T, PayPal, Western Union CertifiedInternational Commercial Terms(Incoterms): FOB

AI-Powered supplier vetting

SummaryShenzhen Eelink Communication Technology Co., Ltd. is a China-based trading company established in 2004 and focused on GPS tracking products. The supplier reports a Shenzhen manufacturing location, three production lines, annual GPS tracker output of 1,200,000 pieces, and stated order lead times within 15 working days in both off-peak and peak seasons. Its export activity is substantial, with export sales representing 71%–90% of total sales and markets in South America, Europe, and North America. The company describes capabilities in software, hardware, industrial design, Internet platforms, smartphone applications, and customized product development. However, no supplier management-system certifications are reported, and the available information does not provide verifiable customer names or specific customer projects. Some personnel data is inconsistent across slices, so engineering scale should be treated cautiously.

Supplier typeThe supplier is explicitly identified as a trading company and a limited company, engaged in electrical and electronics commerce. It also reports a manufacturing plant and production lines, indicating that its operations include production-related activity despite the stated trading-company classification.

CertificationsThe supplier’s certification of management systems is explicitly listed as NIL. This is direct evidence that no management-system certification is reported in the provided information.

After-Sales capabilityThe supplier explicitly states a commitment to customer satisfaction through quality products and after-sale service. It also describes support through an Internet platform and smartphone application for its GPS trackers, but no detailed service process, response standard, or service coverage is provided.

Financial creditThe supplier has operated since 2004, began exporting in 2004, reports export sales of 71%–90% of total sales, and serves South American, European, and North American markets. These facts support operational continuity and international trading experience, although the provided information does not establish payment history, audited financial strength, or creditworthiness.

R&D capabilityThe company describes technology-focused development involving software, hardware, industrial design, Internet platforms, smartphone applications, and GPS trackers. It also states that it can develop new designs, but the available information does not provide specific patents, certifications, or independently verified innovation results.

Production capacityThe supplier reports a 733.6 m² manufacturing plant, three production lines, annual GPS tracker output of 1,200,000 pieces, and lead times within 15 working days during both off-peak and peak seasons. These stated figures provide explicit evidence of production capacity and delivery capability for GPS tracker products.

Customization capabilityThe supplier explicitly states that it can address specific customer needs and complete requirements involving new designs, quality, and large production. Its stated software, hardware, and industrial-design capabilities further support customization, although no specific customization case or technical scope is detailed.