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4 Wire UL Approved Cheap Smoke Alarms SD388-4ar-12/24

Name: 4 Wire UL Approved Cheap Smoke Alarms SD388-4ar-12/24
Brand: Ningbo Sentek Electronics Co., Ltd.
SKU: 707271822

Zhejiang, ChinaNingbo Sentek Electronics Co., Ltd.

US$5.80-10.00

100 Pieces

Sample price:US$8.00/piece.Request sample

Product profile

Customization

Available

Type

Home Alarm

Signal Transmission

Wired Alarm

Model NO.

SD388-4AR-12/24

Certification

CE, En

Application

Indoor

Color

White

Weight

120g/Set with Base

Dimensions

100mm(Dia.)*46mm(Ht) with Base

Certificate

UL/En

Alarm Indicator

LED Continuously Emitting Red Light

Ceiling Spacing

40-50 Foot Rating for Heat Sensor

Temperature Range

-10°c to 50°c

Name

Conventional Smoke Detector

Humidity

0 to 95% Rh, No Condensation or Icing

Smoke Sensitivity

0.98--2.40%/FT Obscuration (UL) ; 0.08--0.14 dB/M

Transport Package

100PCS/Carton

Specification

UL/EN

Trademark

Sentek

Origin

Ningbo China

HS Code

8531901000

Production Capacity

100000/Month

Key features

UL and CE Certified: Meets UL and CE safety standards for reliable indoor smoke detection.

Auto-Reset Function: SD388-4AR model features auto-reset for enhanced security system integration.

Dual Sensor Options: Available in smoke-only or combined smoke and heat alarm configurations.

Low Profile Design: Polished, sleek housing with 360-degree LED visual angle for aesthetics.

Durable Sensor Head: Long-lasting sensor head eliminates the need for frequent replacements.

Flexible Relay Output: Offers both N/C and N/O relay output options for diverse system needs.

Easy Installation: Simple maintenance and installation process with standard sensor bases.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceManagement CertificationR&D Capabilities

Ningbo Sentek Electronics 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: 19 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 148 employees, focused on designing and manufacturing fire alarm and monitoring equipment, security products, smart-home equipment, detectors, sensors, and electronic components. It offers professional R&D, 3D software design, SDK availability, ODM, OEM, and broad customization services. Its products have passed national fire-electronic quality supervision testing and obtained mandatory CCCF certification. Quality and service processes are documented, including complaint handling, corrective and preventive actions, finished-product inspection, and supplier assessment. The supplier has valid manufacturing contracts with associated subcontractors and 12 qualified service-capability suppliers. However, it reports no in-stock capacity, overseas warehouse, or overseas showroom. Export sales account for 90%, with 19 years of export experience, but exports are conducted through an agent. Customer-specific cases are not clearly identified.

Supplier typeThe supplier is identified as a limited company with a combined company type and no stated affiliation with a larger corporate group. Its business scope covers design and manufacture of fire alarm, monitoring, security, smart-home, detector, sensor, and electronic-component products.

CertificationsThe supplier's listed fire alarm products passed qualification testing by the national fire electronic product quality supervision and inspection center. It also completed the required conformity-assessment audit and obtained national mandatory CCCF certification with the CCCF mark.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints, corrective and preventive actions, supplier-service assessment, and quality assurance. These records support an established service-management process, although the slices do not specify response times, repair coverage, or warranty terms.

R&D capabilityThe supplier is identified as a professional technical supplier with R&D capability, 3D software design services, and an available SDK. It reported new products within the past year and offers ODM services, providing explicit evidence of product-development and technical-design capability.

Production capacityProduction-related controls include valid contracts with associated subcontractors, documented finished-product inspection, quality assurance, and 12 qualified service-capability suppliers. The supplier has 148 employees and states a one-month average lead time in both peak and off seasons, but it has no in-stock capacity, overseas warehouse, or overseas showroom.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its R&D offering also includes ODM and OEM services, indicating broad ability to adapt or develop products to customer requirements.