Complaint
| 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 plantGeneral specifications:
| Output level | 102dB ± 4dB at 1.2M |
| Voltage | 12-48 VDC |
| Current drain | less than 0.6A |
| temperature range | -40 to 85 degree C |
| Frequency | 1400Hz |
| Duty cycle | 0.85 pulse per second 50% ON 50% OFF |
| weight | 320g ± 10% |
| Dimensions | 103.5*40.5*71mm |
Applications:
For equipments and vehicles like,cars, trucks, construction machinery, with 12V and 48VDC system, made for heavy duty applications in medium or high noise area. Most popularly used 102dB, 107dB also available.
You can also make it with white noise sound, dual frequency or multifrequency sound,or warning messages of English or any other languages
Main features:
High output, 102dB beep sound or 107dB beep sound output at 1.2m, high enough to make it heared, and it is most popularly used output level.
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
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.
