| Type: | Car/Motorcycle 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-B21 | 12~48 | 97 | white noise optional |
| YS-B22 | 12~48 | 102 | white noise (12~24V)available |
| YS-B23 | 12~48 | bespoke message | |
| YS-B24 | 12~48 | 107 | |
| YS-B26 | 12~48 | 87 | white noise available |
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.
Suitable for: trucks,coaches,buses and plant
10-48V 107dB waterproof reversing alarm with nylon housing
reinforced nylon housing eliminates corrosion damage
wire/connector/bolt mounting optional, easy to install
voltage polarity protection
RoHS conpliant, CE
General specs
1. output level: 107 ± 4dB(A) at 4 ft
2. voltage: 10-48VDC
3. max current drain: less than 0.6A
4. temperature range: -40 to 85 ºC
5. frequency: 1400Hz ±20%
6. IP grade: IP68
7. weight: 310g
8. size: 103.5*40.5*71mm
All models available with same housing
| P/N | VOLTAGE(VDC) | OUTPUT(±4dB@4FT) | SAE TYPE |
| YS-B21 | 10-48 | 97 | C |
| YS-B22 | 10-48 | 102 | F |
| YS-B23 | 10-48 | speaking | F |
| YS-B24 | 10-48 | 107 | B |
| YS-B26 | 10-48 | 87 | D |
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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