Features US-100 ultrasonic ranging module can realize the non-contact distance measuring function of 2cm~4.5m. 2.4-5.5V wide voltage input range, static power consumption lower than 2mA. On-board temperature sensor calibrates the measuring results. With GPIO, serial port and other communication methods. Built-in watch dog makes the module work stably and reliably. Feature:1. US-100 ultrasonic ranging module can realize the non-contact distance measuring function of 2cm~4.5m.2. 2.4-5.5V wide voltage input range, static power consumption lower than 2mA.3. On-board temperature sensor calibrates the measuring results.4. With GPIO, serial port and other communication methods.5. Built-in watch dog makes the module work stably and reliably.Specification:Item Type: Ultrasonic Ranging Sensor ModuleVoltage: DC 2.4~5.5VStatic Current: 2mAOperating Temperature: -20~+70℃Detection Angle: ;15℃Detection Range: 2cm-450cmHigh Precision: 3mm+1%Output Mode: Level / UARTEasy connection to for ArduinoSize: 45x20x1.6mm /;Package List:1 x Ultrasonic Ranging Module Package List 1 x Ultrasonic Ranging Module