Specification Brand : IndustrialField BulletPoint1 : 10PCS Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor for arduino BulletPoint2 : Developed Countries Estimated Delivery Time: 7-17 days(trackable),Other countries Estimated delivery time : 8-30 days.----- We provide Expedited Shipping service : 3-8 days.(excluding handling time).If the order amount above US $200, we will use Expedited Shipping service for free. BulletPoint3 : If it is not delivered within the specified time, or if it is not satisfactory. You only need to send a refund request and we will refund you in full. BulletPoint4 : We make every effort to provide customers with satisfactory service.any question,please feel free to contact me. BulletPoint5 : any question,please feel free to contact me. ExternallyAssignedProductIdentifier : 4793392487622 ItemName : Waterproof Ultrasonic Module JSN-SR04T Water Proof Integrated Distance Measuring Transducer Sensor for Arduino ItemTypeKeyword : ultrasonic-proximity-sensors Manufacturer : IndustrialField Material : Copper PartNumber : IF-modulen_11581 ProductDescription : Electrical properties 1.Electrical parameters: JSN-SR04T 2.Operating voltage: DC 5V 3.Quiescent current: 5mA 4.Total current work: 30mA 5.Acoustic emission frequency: 40khz 6.Farthest distance: 4.5m 7.Blind: 25cm 8.Wiring: + 5V (positive power supply) Trig (control side) RX Echo (the receiver) TX GND (negative) 9.Resolution: about 0.5cm 10.Angle: less than 50 degrees 11.Working temperature: -10 ~ 70 Celsuis 12.Storage temperature: -20 ~ 80 Celsuis Product Features 1.Small size, easy to use 2.Low voltage, low power consumption 3.High accuracy 4.Strong anti-jamming 5.Integrated with wire enclosed waterproof probe, suitable for wet, harsh measurement occasions Application 1.Horizontal distance; 2.Obstacle avoidance, automatic control; 3.The object approaches, there is a perceived 4.Traffic control; 5.Security, industrial control; 6.Artificial intelligence, and research 9542 RoarKit sensor module