Panasonic Ultrasonic Sensor Block, 300 mm, NPN, Cable IP62. Maximum DC Voltage: 24V. Supply Voltage: 12 → 24 V dc. Housing Material: Polycarbonate. Minimum Operating Temperature: 0°C. Dimensions: 28 x 20 x 60 mm. Maximum Operating Temperature: +50°C. Length: 28mm. Switching Frequency: 220 kHz. Depth: 60mm. Width: 20mm. MPN: US-N300