Buzzer Parking Sensor

Features: 1. The closer the obstacle is, the faster the alert beeping frequency is to indicate the safety zone, caution zone and danger zone 2. 4-level sound to remind distance of the barrier. 3. The system will automatically start up when reversing 4. Two or four sensors for option 5. Having switcher for contral the volume of voice.

Technical parameters: 1.Operating voltage: 12V DC (24V available) 2.Operation current: 20mAh ~ 200mAh 3.Sensor installation height: 45 ~ 60cm 4.Detection distance: 0.4 ~ 1.8m 5.Ultrasonic frequency: 40kHz 6.Operating temperature: -40°C ~ +85°C 7.Beep volume: 80 ~ 100dB (at 30cm distance)