Product Specifications Resolution of 1 cm Up to 40Hz reading rate Simple I2C bus interface Easy control of multiple sensors Control up to 127 sensors using two wires 42kHz Ultrasonic sensor measures distance to objects RoHS Compliant Virtually no dead zone, objects closer than 20 cm range as 20 cm Operates from 3.0-5.5V Low 4.4mA average current requirement Small, light weight module Designed for easy integration into your project or product Operational Temperature from 0C to +65C (32F to +149F) Real-time automatic calibration (voltage, humidity, ambient noise) Firmware filtering for better noise tolerance and clutter rejection 200,000+ Hours Mean Time Between Failure High noise resistance