| 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 |
|
| 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 |
