What is the loudness of the alarm siren?

The external siren reaches 110dB, and the optional wireless siren reaches 120dB for maximum alertness.

Is there an option to reduce the cost of the system?

Yes, the PSTN part can be removed to decrease the overall cost if only GSM functionality is needed.

2021 Top Selling GSM PSTN Security Device Wireless Alarm Home Intruder Alarm System with Touch Keypad

Name: 2021 Top Selling GSM PSTN Security Device Wireless Alarm Home Intruder Alarm System with Touch Keypad
Brand: Quanzhou Hongyi Technology Co., Ltd.
SKU: 1930154102

Fujian, ChinaQuanzhou Hongyi Technology Co., Ltd.

US$22.00

1,000 Pieces

Sample price:US$150.00/piece.Request sample

Product profile

Customization

Available

Type

Operation Area Sign, WiFi

View Distance

>800 M

Model NO.

HYALM--03

Material

Aluminum

Certification

CE, ISO

Ingpress Protection

IP65

Shape

Positive Equilateral Triangle

Color

Red

Installation

Fixed

Application

Video Transmission, Optical Signal Transmission

Modulation

Receiver Chip

Mc3362

Oscillator Circuit

D / a Converter or Digital Potentiometer

Transport Package

Each Set Packed in a Gift Box with a Panel,

Specification

46*29*40cm

Trademark

HONGYI

Origin

China

HS Code

8805290000

Production Capacity

5000 Piece/Pieces Per Month

Key features

Dual Communication Support: Supports both GSM and PSTN networks for reliable alarm transmission.

Smart Home Integration: Compatible with Tuya APP for remote control via SMS and WIFI modes.

High Capacity Zones: Supports 99 wireless zones for 150 sensors and 4 wired zones.

Multi-Language Voice: Supports English, French, Russian, Spanish, Italian, and Vietnamese.

Anti-Tamper Function: Built-in anti-tamper feature ensures system security and integrity.

Backup Power Supply: Built-in 7.4V lithium battery ensures operation during power outages.

High Decibel Alarm: Loudness reaches 110dB for external siren and 120dB for wireless siren.

Cost-Effective Option: PSTN part can be removed to decrease overall system cost.

Company profile

Quanzhou Hongyi Technology Co., Ltd.

Fujian, China

Business Type: Trading CompanyExport Year: 2014-05-01Nearest Port: xiamenAverage Response Time: ≤15hTerms of Payment: T/T, Western Union, Small-amount payment, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryQuanzhou Hongyi Technology Co., Ltd. is a China-based trading company established in 2021 with three employees and a product scope centered on digital, LED, LCD, signage displays, and display stands. Its registered business activities cover trading, supply-chain services, household products, hardware, lighting, and related goods. The supplier states that OEM and ODM orders are welcome and that customers may inspect production online, but these statements are not supported by documented operating records in the provided data. A TUV Rheinland audit is recorded with an evaluation result of 0, although the meaning of the score is not specified. The supplier has no available SDK, no documented corrective-action or complaint-handling procedures, and zero quality-control test equipment reported. Financial records are referenced for 2020–2022, but no financial results or supporting figures are provided. Environmental and fire-drill statuses are unknown.

Supplier typeThe supplier is explicitly identified as a trading company and limited company, with three employees and no stated connection to a larger company group. Its business scope includes supply-chain services and sales of displays, household products, hardware, lighting, and related goods, indicating a small independent trading operation rather than a documented manufacturer.

After-Sales capabilityThe supplier has no written procedures or records for effective customer complaint handling or corrective and preventive actions. Its stated focus on customer satisfaction is unsupported by documented service controls, indicating a confirmed weakness in formal after-sales management.

R&D capabilityThe supplier explicitly reports no available SDK, which is a stated deficiency for software or platform integration capability. It offers professional and industrial design services in its business scope and welcomes OEM/ODM orders, but these entries do not establish proven innovation performance.

Production capacityThe supplier is classified as a trading company, has only three employees, reports zero quality-control test equipment, and has no stated cooperative suppliers. Although it claims that production can be inspected online, the provided evidence does not demonstrate owned production facilities or adequate production controls.

Customization capabilityThe supplier expressly states that OEM and ODM orders are welcome, and its business scope includes professional and industrial design services. This directly supports an offered customization capability, although no project examples or technical resources are provided.