Maxbotix Inc MB1242-000 I2CXL-Maxsonar-EZ4 | I2C Ultrasonic Sensor For Motion Detection, UAV's , Collision Avoidance And More. | Ranges From 20cm To 765cm Pack Of 2
Adeept 42 Modules Ultimate Sensor Kit Compatible With Arduino UNO R3 Mega2560 Nano, Sensor Starter Kit For Arduino With Guidebook(PDF) Processing - Arduino UNO R3 Not Included Pack Of 2