Features: |
*Stage-by-stage sound alarm |
*Optional sensor style and color |
*Human voice alarm (option) |
*Anti-freezing, rainy-proof design, work well under extreme cold weather |
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Technical Specifications: |
*Working voltage: DC12V +/- 2V |
*Input: 4W(max) |
*Beeper: 90-105dB |
*Working temperature: -40~+80¢XC |
*Frequency: 40KHz |
*Alarm distance: 0.3-0.6m |
*Best detection distance: 0.4-1.5m |
*Detection distance: 0.4-2m |