Welcome to Futurlec. The ELECTRONIC COMPONENTS Superstore. To find the component your looking for, either search by Part Number or visit the relative department. Need Help. SENSORS Ultrasonic Sensor Compact Ultrasonic Sensor suitable for dual use, with high-performance characteristics. Standard operating frequency and good sensitivity. Ideal for use in range measurements, robot applications, alarm sensors, etc. Features • Excellent Directivity and Sensitivity • Detection Range: Up to 12m • Nominal Frequency: 40kHz • Operating Temperature: -30oC to +85oC • Dimensions: 12mm Diameter, 10mm High excluding pins, Pins - 5mm High Set of 2 for $3.90 Long-Range Ultrasonic Sensor Long-Range Ultrasonic Sensor, ideal for use with Robots and other applications. This unit has excellent directivity and sensitivity. Suitable for dual use, with standard operating frequency. Features • Ideal for Robots and Long-Range Measuring Applications • Detection Range: Up to 18m • Nominal Frequency: 40kHz • Operating Temperature: -30oC to +85oC • Dimensions: 16mm Diameter, 12mm High excluding pins, Pins - 6mm High Set of 2 for only $3.90 Waterproof Ultrasonic Sensor Waterproof Ultrasonic Sensor for use outdoor and in high-humidity areas. Excellent for alarm systems. Features • Ideal for Outdoor Applications • Detection Range: Up to 3m • Nominal Frequency: 40kHz • Operating Temperature: -30oC to +85oC • Dimensions: 14mm Diameter, 10mm High excluding pins, Pins - 6mm High 2 units for only $4.90