Features:

Intelligent digital display of distance against obstacle 
Standard 3-wave and 7-band light stripe display 

All-round detection with 2/4/6 ultrasonic sensors

Voice report optional

Technical parameters: 

Operating voltage: 12V DC (24V optional) 

Operation current: 20mAh ~ 200mAh 

Sensor installation height: 45 ~ 60cm 

Detection distance: 0.4 ~ 2.0m 

Ultrasonic frequency: 40kHz

Operating temperature: -40°C ~ +85°C 

Beep volume: 80 ~ 100dB (at 30cm distance)

Outer packing:

40pcs/ctn 

Carton dimensions: 60 x 41 x 29cm