How does the low voltage inspection work?

When voltage drops to 2.2V, the red LED flashes once and emits a 'di' sound every 43 seconds.

Wireless Home System Security Kingdun Lm-109d Detector Fire Alarm

Name: Wireless Home System Security Kingdun Lm-109d Detector Fire Alarm
Brand: Ningbo Kingdun Electronic Industry Co., Ltd.
SKU: 627593384

Zhejiang, ChinaNingbo Kingdun Electronic Industry Co., Ltd.

Negotiable

200 Pieces

Product profile

Customization

Available

Type

Smoke Alarm

Working Mode

Active

Model NO.

LM-109D

Certification

RoHS, CCC

Application

Indoor

Working Principle

Electro-Optical Type

Alarm Volume (within 1m)

≥90dB

Color

White

Standard

En 14604

Power

DC 3V

Transport Package

Color Box/Blister Packing

Specification

67x47mm

Trademark

kingdun

Origin

China

HS Code

8531100000

Production Capacity

300, 000PCS/Month

Key features

Electro-Optical Detection: Utilizes electro-optical type working principle for accurate smoke detection.

Long Service Life: Designed for 10 years of useful life with end-of-life alarm indication.

Certified Safety: Complies with RoHS and CCC certifications for quality and safety standards.

Flexible Customization: Offers full, minor, and flexible customization options including samples and designs.

Visual Status Display: LED indicators show normal, alarm, low sensitivity, and memory status clearly.

Manufacturer Direct: Sold by a manufacturer with 22 years export experience and ISO certifications.

Company profile

Years of Export ExperienceExperienced TeamPatents AwardedExhibition Experience

Ningbo Kingdun Electronic Industry Co., Ltd.

Zhejiang, 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: 22 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤7.76h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company associated with scientific research and technical services. It demonstrates broad customization, 3D design, ODM, OEM, and SDK-related capabilities, and reports new products within the past year. Quality and management evidence includes ISO9001:2015, ISO14001, and ISO45001:2018 certifications, documented inspection procedures, corrective-action processes, and complaint-handling procedures. Manufacturing-related data indicates 12 production lines, but the supplier does not continuously reconcile quantities for every batch or production volume. Export experience is established, with 22 years of exporting and 71%–90% of sales from exports. Overseas infrastructure is limited: it has no overseas warehouse, showroom, agent, or branch, and reports zero countries served overseas. Financial records are indicated for 2022–2024, but no detailed financial results are provided. Customer-specific evidence is limited to stated OEM service for well-known brands.

CertificationsThe supplier reports ISO9001:2015, ISO14001, and ISO45001:2018 certifications, supported by stated environmental assessment documentation and recent fire-drill activity. These provide explicit evidence of quality, environmental, and occupational health and safety management certification.

After-Sales capabilityThe supplier has documented procedures and implementation records for handling customer complaints, as well as corrective and preventive actions. This directly supports an established after-sales and issue-resolution process.

R&D capabilityThe supplier reports new products within the past year and offers 3D software design, ODM services, OEM services for well-known brands, and an available SDK. These are explicit indicators of product development and technical design capability.

Production capacityThe supplier reports 12 production lines and uniformly followed finished-product inspection instructions. However, it also states that the factory does not continuously reconcile quantities for every batch or production volume, indicating a documented production-control weakness.

Customization capabilityThe supplier supports customization from samples, customization from designs, full customization, minor customization, and flexible customization, in addition to 3D software design services. The breadth of stated options explicitly supports strong customization capability.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of serving recognized-brand customers. No specific brand names, project details, or independently verifiable case studies are provided.