JSN-SR04T Ultrasonic Module Distance Measuring Transducer Sensor Waterproof

Module size: 41mm 28.5mm. Farthest distance: 4.5m. 1, Horizontal distance;. So constantly cycle test, that can achieve. Product Features output at the receiving port. Blind: 25cm. Storage temperature: -20 ~ 80 ℃.

eBay