PS_D804 Human voice 4 rear sensors

PS_D804_6 Human voice 4 rear sensors, 2 front sensors

Features:
1. Intelligent, all-dimensional broad screen LCD display.
2. Colorful LCD screen.
3. Stage-by-stage sound alarm
4. Optional sensor style and color
5.2/6/8 sensors system in option
6. Anti-freezing, rainy-proof design, work well under extreme cold weather

Technical Specifications:
1. Working voltage: DC12V +/- 2V
2. Power Input: 5W(max)
3. Beeper: 80dB
4. Working temperature: -40~+80C
5. Frequency: 40KHz
6. Detection distance: 0.4-2m