Ultrasonic Sensor - RCWL-1201

With this ultrasonic sensor you can easily measure a distance. This is a smaller and faster version of the HC-SR04 and can be used with the same software.

To use the sensor with Arduino see this page: How to Use and HC-SR04 Ultrasonic Sensor With Arduino

Specifications:

• Detection range: 2-400cm (3.3V Vcc), 2-450cm (5.0V Vcc)
• Voltage: 3.0-5.5V 
• Current: approx. 2.2mA 
• Resolution: 1mm
• Sensor angle: <15^o
• Test cyclus: 50 mS (HC-SR04 has 200 mS)
• Dimensions: 33x16.0mm