19 KY22 FR4 Micro Servo + Ultrasonic Sensor Module Set - Deep Blue
1 Sharp distance sensor (20-150cm) 2Y0A02
1 Sharp distance sensor (100-500cm) 2Y0A710
http://eud.dx.com/product/ky22-fr4-micro-servo-ultrasonic-sensor-module-set-deep-blue-844316396
http://www.vanallesenmeer.nl/Sharp-Distance-Sensor-%2820-150cm%29-2Y0A02
http://www.vanallesenmeer.nl/Sharp-Distance-Sensor-%28100-500cm%29-2Y0A710