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Brand Name : YUESONIC
Model Number : YS-B81
Certification : CE
Place of Origin : CHINA
MOQ : 30 PCs
Price : USD20-USD 30/pc
Payment Terms : L/C, T/T, D/P, Western Union
Supply Ability : 5000 Pcs/ Month
Delivery Time : 2-4 weeks
Packaging Details : Individual neutral box, 30 pcs per carton
MATERIAL : Reinforced nylon
VOLTAGE : 12-24V
OUTPUT : 90 - 100 dB
CURRENT : MAX 0.6A
TEMPERATURE : -40 to 85℃
SIZE : 130*76*88mm
WEIGHT : 580g
TYPE : Squawker reverse alarm
amp connector included white noise alarm reinforced nylon left right turning squawker reverse alarm
General specifications:
| Output level | 90-100dB ± 4dB at 1.2M | 
| Voltage | 12-24VDC | 
| Current drain | less than 0.6A | 
| temperature range | -40 to 85 degree C | 
| Frequency | multi frequency | 
| Duty cycle | depends | 
| weight | 580g ± 10% | 
| Dimensions | 127*70*73.4mm | 
Applications:
For cars trucks etc, 12v or 24v application, multi warning messages may be included in the same alarm, left turning, right turning, and reverse warning. beep sound, squawker, or bespoken voice messages..
connectors are also optional, for easier installation and better waterproof performance
Main features:
Many sound types optional beep sound, squawker, or bespoken real speech messages
Metal housing Designed to meet all hash conditions, provide splendid durability
IP68 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 and many connectors optional
Long warranty 24 months or longer
RoHS and CE
Similar products:
with same housing
| P/N | Voltage | Output | Remark | 
| YS-B81 | 12-24V | 97dB | squawker | 
| YS-B82 | 12-24V | 97dB | beep sound | 
| YS-B83 | 12-24V | 97dB | bespoken messages | 
Alarms of different housings

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
alarm production line, with operation instruction for all positions

Alarm in production test, to have a better quality

Alarm Lab tests, including general specs tests, enviromental tests, reliabity tests, to make sure alarms well designed, will work well as we design it.
feel free to let me know if you want to know more about our products and factory.
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