Can I get a sample to check quality?

Yes, sample orders are acceptable. Please contact us for more details.

What is the working principle of the alarm?

It uses an electromechanical working principle with wireless signal transmission at 433.92MHz.

4G GSM Wi-Fi Home Security System with Tuya APP (WT2B/WT4BX)

Name: 4G GSM Wi-Fi Home Security System with Tuya APP (WT2B/WT4BX)
Brand: Shenzhen Chitongda Electronic Co., Ltd.
SKU: 646080755

Guangdong, ChinaShenzhen Chitongda Electronic Co., Ltd.

US$55.00

10-99 Pieces

US$48.00

100-499 Pieces

US$45.00

500-999 Pieces

US$43.00

1,000+ Pieces

Sample price:US$55.00/piece.Request sample

Product profile

Customization

Available

Type

Anti-Theft Alarm

Signal Transmission

Wireless Alarm

Model NO.

WT2B/WT4BX

Working Mode

Passive

Certification

CE, ISO, FCC, RoHS, CCC, GS

Application

Indoor

Working Principle

Electromechanical

Transmission Mode

Wireless

Alarm Volume (within 1m)

≥90dB

Receive Frequency

433.92MHz

Warranty

1 Year

Color

White and Black

Material

Plastic Case + LCD Display

Key Button

Yes

Adaptor

DC12V

Kit Package

Support

System

WiFi+GSM Smart Security Alarm System

APP

Tuya

Plug

Yes

Self Checking

Yes

Transport Package

10 PCS/1 Carton, Gift Box Package

Specification

CE, FCC, ROHS,

Trademark

OEM/ODM/Wolf-Guard

Origin

Shenzhen, Guangdong, China

HS Code

85311000

Production Capacity

6000sets/Month

Key features

WiFi+4G Dual Network: Ensures double guarantee connectivity with 2.4 inch TFT LCD display.

Tuya APP Control: Supports smart doorbell, notifications, and multi-account management.

Large Capacity Zones: Supports up to 100 wireless zones and 10 remote controllers.

Comprehensive Certifications: CE, ISO, FCC, RoHS, CCC, GS certified for global compliance.

OEM/ODM Support: Professional manufacturer with strong R&D and production capability.

Long Warranty: 36 months warranty for alarm panel, 18-24 months for accessories.

Fast Delivery: 1-3 days for samples, 3-20 days for general orders.

Company profile

High Repeat Buyers ChoiceExperienced TeamManagement CertificationProduct Certification

Shenzhen Chitongda Electronic Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2005-09-08Nearest Port: shenzhen shekouAverage Response Time: ≤18hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company with manufacturing, export, service, quality-control, R&D, and sustainability capabilities. It demonstrates documented procedures for corrective actions, complaint handling, supplier assessment, and R&D review, and reports ISO9001:2015, CCC, CE, and FCC-related certification or testing evidence. R&D capabilities include technical support, new product development, SDK availability, 3D design, ODM, OEM, and multiple customization modes. Manufacturing-related evidence includes specialized testing and production facilities, inventory capability, and stated seasonal lead times. However, the supplier lacks a valid manufacturing contract with affiliated subcontractors and has no overseas warehouse or showroom. Financial records are referenced for several years, but the provided slices do not establish financial strength or credibility.

Supplier typeThe supplier is explicitly classified as a combined company rather than an offshore company. Its offering description covers manufacturing, export trade, service, quality control, R&D, and sustainability capabilities, indicating a broad operational scope.

CertificationsThe supplier reports an ISO9001:2015 certificate and lists CCC and CE under product certification capability, with FCC and other raw-material test-report evidence. The slices confirm reported certifications and testing-related capability, but do not provide certificate validity dates or detailed scope.

After-Sales capabilityTechnology engineers are responsible for technical support during production and after-sales service. The supplier also has documented and followed procedures for corrective and preventive actions, customer complaints, and supplier-service assessment, supporting an established after-sales process.

R&D capabilityThe supplier reports professional technical-supplier status, R&D audit documentation, SDK availability, recent new products, ODM services, OEM services for well-known brands, and engineers responsible for new product development. These are explicit indicators of established R&D and innovation capability.

Production capacityThe supplier lists specialized facilities including automatic screw packing and welding equipment, environmental and gas test chambers, laser marking, oscillation testing, shielding, smoke sensing, and ultrasonic facilities. It also reports inventory capability and stated lead times, but has no valid manufacturing contract with affiliated subcontractors, creating a documented production-governance deficiency.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization, with 3D software design services available. The repeated capability statements indicate broad customization coverage.