This ultrasonic sensor uses ultrasonic technology to detect the distance to objects or people. The sensor features an integrated waterproof and sealed probe design with an IP67 protection rating. It has a horn-shaped structure design, allowing for controllable distance measurement angles at close range and enhanced signal strength at long range. It meets the measurement needs of various application scenarios. The output port supports UART controlled output. The sensor is widely used in various scenarios such as object proximity and presence detection, parking management systems, and smart trash can overflow monitoring. Specification: Operating Voltage: 3.3~5V Average Current: 100ms Probe Center Frequency: 40K±1.0KHZ Operating Temperature: -15~60℃ Storage Temperature: -25~80℃ Sensing Angle: with bell-mouth: 55º without bell-mouth: 40º Waterproof Grade: IP67 Color: Black Material: plastic Package Contents: 1* Ultrasonic Ranging Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.