What are the available defense modes?

Selectable modes include 24-hour defense, ordinary defense, home defense, and delay defense.

How far can the wireless signals travel?

The RF distance is up to 229.7ft (70m) in open air.

Smartlife 4G WiFi GSM Home Wireless Security Alarm System with Smoke Sensor

Name: Smartlife 4G WiFi GSM Home Wireless Security Alarm System with Smoke Sensor
Brand: Shenzhen Chitongda Electronic Co., Ltd.
SKU: 1908701671

Guangdong, ChinaShenzhen Chitongda Electronic Co., Ltd.

US$78.00

1-19 Pieces

US$75.00

20+ Pieces

Sample price:US$80.00/piece.Request sample

Product profile

Customization

Available

Type

Anti-Theft Alarm

Signal Transmission

Wireless Alarm

Model NO.

W4Q smart GSM alarm system

Working Mode

Active

Certification

CE, FCC, RoHS, CCC, GS

Application

Indoor

Working Principle

Electromagnetic

Transmission Mode

Wireless

Alarm Volume (within 1m)

≥100dB

Receive Frequency

433.92MHz

Transport Package

1 Set in One Gift Box

Specification

CE. FCC

Trademark

Wolf-Guard

Origin

Shenzhen, Guangdong, China

HS Code

853110000

Production Capacity

6000sets/Month

Key features

Dual Network Connection: WiFi and 4G GSM dual network connection for double guarantee.

Large Defense Capacity: Supports up to 100 wireless defense zones and 2 wired defense zones.

Multi-Account Management: Supports 16 accounts including 1 administrator and 15 visitors with sub-permission.

Smart Ecosystem Integration: TUYA WiFi solution allows linking to other smart products in the ecosystem.

Flexible Defense Modes: Selectable modes include 24-hour, ordinary, home, and delay defense zones.

Comprehensive Notifications: Supports APP notifications, alarm phone calls, and SMS alerts.

Long-Range Transmission: RF distance up to 229.7ft (70m) in open air.

Backup Power Protection: Built-in backup battery prevents system failure during sudden power outages.

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.