What payment terms are accepted?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as payment terms.

Is the sensor head replaceable?

No, the sensor head is designed to be durable and does not require replacement.

Smoke Detector with Photoelectric Sensor

Name: Smoke Detector with Photoelectric Sensor
Brand: Ningbo Sentek Electronics Co., Ltd.
SKU: 749787322

Zhejiang, ChinaNingbo Sentek Electronics Co., Ltd.

Negotiable

100 Pieces

Sample price:US$6.50/piece.Request sample

Product profile

Customization

Available

Type

Smoke Alarm

Signal Transmission

Wired Alarm

Model NO.

SD-388-4AR-12/24

Application

Indoor

Wire

2 or 4 Wire

Voltage

12V, 24V

Dimensions

102mm (Dia.) X 43mm (Ht) with Base

Weight

120g/Set with Base

Ceiling Spacing

50 Foot Rating for Heat Sensor

Product Name

Smoke Detector with Photoelectric Sensor

Transport Package

1PC/Box, 100PCS/Carton

Specification

UL, EN54, CE, RoHS

Trademark

SENTEK

Origin

China Ningbo

HS Code

8531100000

Production Capacity

60000/Month

Key features

Advanced Detection Algorithms: Features advanced detection and discrimination algorithms for high reliability.

Dual Sensor Options: Available in photoelectric smoke, heat, and combined smoke-heat alarm models.

Flexible Wiring Configurations: Supports 2-wire and 4-wire systems with 12V or 24V DC voltage options.

Auto-Reset Function: Optional auto-reset (AR) function available for 4-wire security system models.

Customization Services: Offers OEM, ODM, and flexible customization from samples or designs.

Durable Sensor Design: Durable sensor head requires no replacement with SMD circuit board design.

Visual Indication: Equipped with two LEDs providing a 360-degree visual angle for status.

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.

Product Q&A

Q:What wiring options are available for this smoke detector?

The product supports both 2-wire and 4-wire configurations, compatible with 12V and 24V DC power supplies.

Q:Does the smoke detector offer customization services?

Yes, we provide OEM, ODM, and flexible customization options including full customization, minor customization, and customization from samples or designs.

Q:Are there models with an auto-reset function?

Yes, the 4-wire models (such as SD-388-4AR-12/24) include an optional auto-reset (AR) function suitable for security systems.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 2000 pieces.

Q:What is the lead time for production?

The average lead time is one month, regardless of whether it is peak season or off-season.