What is the wireless frequency used?

The system uses 433.92MHz for receiving signals and 2.4GHz for WiFi networking.

How is the quality controlled?

We perform 100% inspection on finished products, including visual and functional checks.

China Origin WiFi Sos Alarm System with Wireless 433MHz Tech

Name: China Origin WiFi Sos Alarm System with Wireless 433MHz Tech
Brand: Xuzhou Dragon Guard Industrial Co., Ltd.
SKU: 1964801821

Jiangsu, ChinaXuzhou Dragon Guard Industrial Co., Ltd.

US$15.00-20.00

10 Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Type

Security Alarm Host

Function

Networked

Model NO.

HSG005

Usage

Door, Auto, Personal, Window, Fire, Smoke

Certification

CE, RoHS

Alarm Volume (within 1m)

≥100dB

Networking Mode

GSM Dial-up

Receive Frequency

433.92MHz

Wiring Mode

Sub-Line System

Transport Package

Box

Specification

90*44*40mm

Trademark

none

Origin

China

HS Code

8537101990

Production Capacity

5000000pieces/Year

Key features

Tuya App Integration: Seamlessly connects to Tuya app for remote monitoring and control via WiFi.

Multi-Function Detection: Supports door, window, fire, smoke, auto, and personal emergency alerts.

Dual Frequency Support: Combines 433.92MHz wireless sensors with 2.4GHz WiFi networking.

OEM/ODM Customization: Offers full customization, minor customization, and design-based options.

Fast Production Lead Time: Guarantees delivery within 15 workdays for both peak and off-peak seasons.

100% Quality Inspection: Every finished product undergoes visual and functional inspection.

CE and RoHS Certified: Meets international safety and environmental standards for global markets.

Company profile

Experienced TeamPatents AwardedStandardized quality controlR&D Capabilities

Xuzhou Dragon Guard Industrial Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.86h

AI-Powered supplier vetting

SummaryThe supplier is a combined company engaged in electronic price tag sales, internet sales, and import/export activities. It provides broad customization and 3D software design services, plus ODM and OEM services, but reported no new products in the past year and has no SDK. Quality and service processes are documented and followed, including finished-product inspection, complaint handling, and corrective/preventive actions. The supplier holds CE product compliance certification and ISO9001:2015 management certification. It reports ERP-based operational digitization, five R&D engineers, seven years of export experience, and peak/off-season lead times within 15 workdays. Evidence of overseas service infrastructure is weak: it has no overseas warehouse, showroom, agent, or branch, and reports zero countries served overseas. No cooperation with Fortune 500 companies is reported, while repeat-buyer preference is stated at 50%–80%.

Supplier typeThe supplier is identified as a combined company. Its stated scope includes electronic price tag sales, internet sales, and import/export of commodities and technologies, subject to applicable approval and legal restrictions.

CertificationsThe supplier reports CE certification for product compliance and an ISO9001:2015 management-system certificate. These are explicit certifications relevant to product conformity and quality management.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective/preventive actions. However, it reports no overseas warehouse, showroom, agent, or branch, and zero countries where overseas services are offered, limiting evidence of localized after-sales support.

R&D capabilityThe supplier reports five R&D engineers, ODM capability, 3D software design services, and ERP integration for operational processes. Conversely, it reported no new products in the past year and no available SDK, so the evidence supports development capability but not strong recent innovation output.

Production capacityThe supplier has written and followed finished-product inspection instructions, documented service-capability procedures, and stated average lead times within 15 workdays in both peak and off-season periods. The slices do not provide production capacity, equipment, factory scale, or output data.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. It also provides 3D software design, ODM, and OEM services, demonstrating broad customization coverage.

Client casesThe supplier reports seven years of export experience, participation in the Chinashop offline trade show, and OEM service for well-known brands. It reports no cooperation with Fortune 500 companies, and no named customer cases are provided, so the breadth and verifiability of its customer portfolio remain limited.