High Precision Technology: Equipped with advanced 200KHz frequency, this ultrasonic level sensor provides accurate and reliable measurements for both indoor and outdoor applications. Waterproof IP65 Rating: Designed to withstand harsh environments, this sensor is perfect for monitoring levels in tanks, wells, and open water, ensuring consistent performance regardless of weather conditions. Versatile Applications: Ideal for a wide range of liquid measurements including water, oils, and chemicals, making it a perfect choice for industrial and commercial use. Colour:silver Material:Metal Package Contents: 1 * Ultrasonic deviation correction 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.