| Type: | Industry Alarm |
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| Signal Transmission: | Wired Alarm |
| Working Mode: | Passive |
| Samples: |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier
| Model | Voltage (VDC) | Output level(±4dBA @4FT) | Remarks |
| YS-B31 | 12~48 | 97 | white noise optional |
| YS-B32 | 12~48 | 102 | white noise (12~24V) optional |
| YS-B33 | 12~48 | voice alarm | multiple voice options, customizable voice |
| YS-B34 | 12~48 | 107 | beep sound |
| YS-B36 | 12~48 | 87 | white noise optional |
| YS-B37 | 12~48 | 77~97 | intelligent voice change |
| YS-B38 | 12~48 | 82~102 | intelligent voice change |
Why install reversing alarm and warning alarm?
Reversing alarms and warning alarms, also known as backup alarms or reversing buzzers, are installed in vehicles and equipment to alert pedestrians, workers, and other nearby people to the presence of large moving objects that may be difficult to see. They are commonly used in construction machinery, garbage trucks, delivery vans, and other vehicles and equipment that can pose a danger to pedestrians or workers. When a vehicle is reversing, the reversing alarm usually emits a loud beep, which is a warning sign that alerts people who may be walking or working nearby.
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.
The above video is for reference. Please contact sales for product videos.
"shhshh, warning vehicle reversing."
Suitable for: trucks,coaches,buses and plant
Main features:
Much safer, multi frequency or white noise is much safer with beep sound models with same output, better warning and less anoying.
Reinforced nylong housing Glass-filled nylon, Designed to meet all hash conditions, provide splendid durability
IP68 PCB and speaker fully sealed with epoxy, well protected fagainst dust, moisture and vibration
Polarity protection It will not be damaged even you connect the polarity wrong
Easy to install Universal mount size, compatible to many OEM vehicles and equipments, also many connectors optional
Long warranty 24 months or longer
Many sounds optional beep sound, white noise sound, dual or multi frequency sound optional
RoHS and CE
Similar products:
with same housing
| P/N | Voltage | Output | Remark |
| YS-B31 | 12-48V | 97dB | beep, white noise |
| YS-B32 | 12-48V | 102dB | beep, white noise |
| YS-B33 | 12-24V | bespoken message | |
| YS-B34 | 12-48V | 107dB | beep, white noise, bespoken message |
| YS-B36 | 12-48V | 87dB | beep, white noise |
Alarms of different housings
wire connection version ot studs version available for some housings
Connctors optional for wire connection versions
beep sound, white noise sound, vocal messages available for some models
Intelligent alarms with beep sound, white noise sound available.
Intelligent alarms with night mode, silent mode avaible.
Quick details for all series alarms
| Series | Size | Sound | Remark |
| B00 | 127*70*73.5mm | beep sound | intelligent models available |
| B10 | dia 60*46.3mm | beep sound | |
| B20 | 103.5*40.5*71mm | beep, white noise, bespoken message | intelligent models available |
| B30 | 103*44.5*68mm | beep, white noise, bespoken message | intelligent models available |
| B40 | 129*69*74mm | beep sound, bespoken message | manual adjustable available |
| B50 | 102*44.5*69.5mm | beep, white noise, bespoken message | intelligent models available |
| B60 | 127*95*77mm | beep, white noise, bespoken message | intelligent models available |
| B70 | 127.5*79*82mm | beep, white noise, bespoken message | models with night mode available |
| B80 S | 105*71.8*70mm | beep, white noise, bespoken message | models with night mode available |
| B80 L | 130*76*88mm | beep, white noise, bespoken message | models with night mode available |
| BJ | 58*30*59.5mm | beep, white noise, bespoken message | |
| B90 | beep, white noise, bespoken message | models with night mode available |
More information about the alarm:
Alarm drawing, sizes in mm
Q1: what is the MOQ?
YUEDA: No MOQ required.
Q2: what it the lead time?
YUEDA: 2-4 weeks, for regular models, we usually prepare some in stock, so shipment could be made very soon.
Q3: Can I have some free samples for evaluation first?
YUEDA: Sure. We could offer some free samples.
Q4: What payment methods do you accept?
YUEDA: T/T, PayPal, western Union, Money gram.
Q5: What payment terms do you accept?
YUEDA: Generally, payment before shipment at the beginning.
Q6: Can you make some revisions to it?
YUEDA: Sure, we will, just let us know.
Q7: Is it RoHS/REACH compliant?
YUEDA: Yes, all our products are RoHS and REACH compliant.
Suppliers with verified business licenses
Audited Supplier 
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