PS_D802 BiBi 4 sensors

PS_D802V Human voice 4 sensors

Features:
1. Intelligent, all-dimensional broad screen LCD display.
2. Noctilucent blue 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.

Specifications:
1. Working voltage: DC12V +/- 2V;
2. Beeper: 80dB;
3. Working temperature: -40~+80C;
4. Frequency: 40KHz;
5. Detection distance: 0.4-2m.