US-015 Ultrasonic Module Displacement Sensor Your own temperature sensor revises the comprehensive and has many communication modes like GPIO, such as Watchdog inside, very stable and reliable. Operating voltage: DC 5 V Static: 3 mA Operating temperature: 0 ~ + 70 degree Type of output: GPIO Induction Angle: Less than 15 degree Measuring range: 2 cm to 700 cm Detection Precision: 0.3 cm + 1% UART mode serial configuration: baud rate, start a 9600 1, and stop bits that is black and white, no flow control, and can check eight parity data. Sensor: approx.45 x 20 x 1.6 mm Diameter: approx.1mm Package Includes: 1 x US-015 Ultrasonic Module Distance Transmitter Sensor