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| Brand Name : | Yuesonic | 
| Model Number : | YS-B31D-F | 
| Certification : | CE,IP68,RoHS | 
| Price : | $8/pcs | 
| Payment Terms : | T/T, Western Union | 
| Supply Ability : | 30000pcs/month | 
| Delivery Time : | 3-5 work days | 
high performance DC10 to 48V safety Car Backup Alarm with CE certificates
This type is most popular and cost effective lines. A glass-filled nylon housing with epoxy-encapsulated electronics provide exceptional durability and protection against moisture, dust and vibration. Intelligent models measure the ambient noise level and adjust their output level, create a volume that is safe without being annoying or contributing to noise pollution. And vocal versions can be made according to your requirements.
General Specifications:
| Size | 103*44.5*68mm | 
| Output Level | 102±3dB(A) AT 4FT | 
| Voltage | 10-48 VDC | 
| Max Current Drain | <0.6A | 
| Temperature Range | -40℃ - 85℃ | 
| Frequency | 1400Hz±10% | 
| Duty Cycle | 0.85S±10% (-50% On 50% Off) | 
| Weight | 325g±5% | 
| Alarm Sound | White Noise | 
Advantages:
· Reinforced nylon housing eliminates corrosion damage
· Wir / connector / bolt mounting optional, easy to install
· Voltage polarity protection
· RoHS compliant, CE certified
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