Content: louder speaker, main unit, 4 sensors, folded monitor, hole saw, 2pcs 3M glue, power cord, package, video cord, camera
Traits:
3.5-inch TFT high-pixel monitor
170-inch wide angle camera
Hint manner: speaker's voice & video
Detect range: 0.3 to 2.2m
Working voltage: 9 to 16V DC
Volume: >80dB,
Power: 6W (max)
Ultrasonic frequency: 40kHz
AV signal input with monitor, The dimension& size of monitor could be changed, Comprehensive & direct display in monitor, The hint voice done in 6 segments