samest SEN2 Ultrasonic Distance Ranging Module Detector Sensor HC Sr04 for Arduino AVR Electronic Components Electronic Hobby Kit

Features stable performance measure the distance Accurately precision: blind (2cm) super close parameters working voltage: DC 5v quiescent current: 2ma level output: 5v high 0v low sensor angle: less than 15 degrees detection distance: 2cm 450cm high: up to 0.3Cm connection mode: vcc, trig (control side), echo (receiving end), gnd.