12V Backup Alarm Buzzer with Bee Bee Sound for Vehicle
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Product Highlights
- High Volume Alert: Loud alarm with sound pressure of 97dB at 4FT to ensure clear warning.
- Wide Voltage Range: Compatible with 12V to 48V DC systems for various vehicle types.
- Certified Safety: Meets E-MARK, CE, ISO, and RoHS standards for global compliance.
- Customizable Sound: Users can provide specific sound files or messages for the alarm.
- Low Power Consumption: Current draw is less than 0.6A, ensuring efficient battery usage.
- No MOQ Required: Flexible ordering with no minimum quantity required for purchase.
- Free Samples: Free-of-charge samples available for product evaluation before order.
Product Attributes
- Customization
- Available
- Type
- Industry Alarm
- Signal Transmission
- Wired Alarm
- Model NO.
- YS-B21W
- Working Mode
- Active
- Certification
- E-MARK, CE, ISO, RoHS
- Application
- Outdoor
- Working Principle
- Electro-Acoustic Style
- Transmission Mode
- Cable
- Alarm Volume (within 1m)
- ≥90dB
- Receive Frequency
- 1400Hz
- Color
- Black
- Feature
- Loud Alarm
- Function
- Car Alarm
- Work Cycle
- 0.85s/T
- Product Weight
- 320g
- Transport Package
- 40pieces Per Carton
- Specification
- 103.5*40.5*71mm
- Trademark
- Yuesonic
- Origin
- China
- HS Code
- 8512301100
- Production Capacity
- 1000000 Per Month
- Package Size
- 10.80cm * 5.50cm * 8.50cm
- Package Gross Weight
- 0.330kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of 12V Backup Alarm Buzzer with Bee Bee Sound for Vehicle
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Product Description

Warning alarm is similar, but may be activated in different situations, such as when a vehicle is turning or changing lanes. The purpose of these warning alarm is to help prevent accidents and injuries, especially in busy and crowded environments where visibility may be limited. Although some areas may have noise restrictions related to reversing and warning alarms, many countries require certain types of vehicles and equipment to have these safety features installed and functioning properly. This helps keep drivers and pedestrians safe and can help prevent accidents and injuries in the workplace and on the road.
| Model | YS-B21W |
| Voltage (VDC) | 12~48 |
| Sound pressure (± 4dBA @ 4FT) | 97 |
| Current | <0.6A |
| Operating temperature | -40ºC~85ºC |
| Sound | beep sound |
Q1. What is the MOQ and lead time?
YUEDA: No minimum order quantity required, lead time is 2-4 weeks.
Q2. Can I request samples for evaluation? Are they free?
YUEDA: Absolutely, we can provide free-of-charge (FOC) samples.
Q3. Is it possible to make custom revisions to the product?
YUEDA: Yes, please inform us of the specific changes you need.
Q4. Can I customize the message for the speaking alarm?
YUEDA: Yes, please provide us with the sound file or the message.
Q5. What is your warranty policy?
YUEDA: We offer warranties of 18 months, 24 months, and for some products, lifetime warranties.
Ideal for use in commercial vehicles to ensure safety and compliance.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2541150". Items marked "" are certified.
Company Profile
Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd. (Yueda Electroacoustic) was established in 1994 and is committed to the development and production of electroacoustic products.
Our product portfolio includes dynamic speakers and warning alarms.
Our years of specialist expertise in the industry, together with complete production and testing equipment, enable us to deliver extremely reliable products.
Our speakers are mainly used for multimedia electronics, speaker systems and alarm systems etc. We are now having business with worldwide customers, including some leading companies.
Our warning alarms are mainly used for commercial vehicles, construction machinery and agricultural machinery. All products are CE certified. Testing reports by third-party lab and service feedbacks from our customers, including some leading in the industry, show that our products are superior reliable to most competing ones.
Please feel free to contact us if we can help.
HISTORY
1994 Company founded
1996 Engaged in speaker manufacturing, serving world clients in the sectors of appliance, automobile, wireless, mobile communication and entertainment.
2001 ISO9001: 2000 quality management system certified and started been qualified by Toshiba, Hitachi, Toptone, Shinco, Beko, Profilo-Telra, Foxconn, etc
2004 Entering Korean market
2009 Awarded as Science & Technology Enterprise by Jiangsu province
2010 Developed new products for Hyundai Heavy Industry and put to mass production
2011 Applied for 1 invention patent and 7 utility model patents And SGS audited
2012 Applied for 1 invention patent and 2 utility model patents
2015 SMETA 2-Pillar audited2017 All series of alarms passed IP68 tests Cooperation with JIANGSU UNIVERSITY OF TECHNOLOGY on PCB technical support and training
2018 Developed graphene headphone speaker & EV alerting alarms
2020 Alarms sold to one US automaker
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 11, South Zhengping Street, Lijia Town, Changzhou, Jiangsu, China
-
Plant Area
- 4868.5 square meters
-
Number of Employees
- 49
-
Registered Capital
- 3,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 PC
-
Supply Chain Partners
- 75
Our Production Capability & Technical Expertise
- Main Products
- Back-up Alarm, Reversing Alarm, Travel Buzzer, Talking Alarm, Multimedia Speaker, Raw Speaker, TV Speaker, Mylar Speaker, Micro Speaker
-
Production Lines
- 2
-
Production Machines
- Assembling
-
QA/QC inspectors
- 4 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 1994-04-07
-
Export Year
- 20 Years
-
Main Markets
- Europe, Domestic
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE
FAQ
- What is the MOQ and lead time?
- No minimum order quantity required, lead time is 2-4 weeks.
- Can I request samples for evaluation? Are they free?
- Absolutely, we can provide free-of-charge (FOC) samples.
- Is it possible to make custom revisions to the product?
- Yes, please inform us of the specific changes you need.
- Can I customize the message for the speaking alarm?
- Yes, please provide us with the sound file or the message.
- What is your warranty policy?
- We offer warranties of 18 months, 24 months, and for some products, lifetime warranties.
- What is the operating voltage range?
- The product supports a voltage range of 12V to 48V DC.
- What certifications does this alarm have?
- It is certified with E-MARK, CE, ISO, and RoHS standards.
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