Product Descpition: This 102 DB backup beeper warning alarm is made for heavy-duty and commercial use, best for trucks van freight heavy vehicles. It can automatically adjust to a voltage range of 12-60 volt vehicles. With universal mounting bracket and slotted holes,it can be mounted anywhere in your heavy-duty vehicle,very convenient and easy to install,so it mainly used for car,excavators,construction machinery,special vehicles,parking and a variety of large vehicles container vehicles reminder. .
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