Waterproof Ultrasonic Ranging Module With Sensor

Elecrical Parameters

Module:         AJ-SR04M Ultrasonic Module
Working Voltage:     DC 3-5.5V
Working Current:    40mA Duration Less than 50us
Standby Current:    2mA
Low Power Current:    Mode 2 Current is 40 uA, Mode 4 and 5 Current is 20 uA
Working Frequency:    40KHz
Furthest Range:     8M
Recent RAnge:         20cm
Measuring Angle:    75 degrees
Input Triger Signal:    2:Trig/RX Trigger/Serial Receiver/Switch Enablation
                             2:Echo/TX Pluse Width Output/Serial Output/Switch Output
Output Echo Signal:    Output TTL, Serial Port 5 Mode Selection
Serial Port Output Fromat:    9600 n 8 1
Resolution:        About 2mm
Working Temperature:    -20~75°C
Storage Temperature:    -40~80°C
Status Indicator:    LED Indicating Status, One Flash/Switch Output Status
Size:            41.3*28.5*23mm