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| PartNumber | SEN0002 | SEN0004 | SEN0001 |
| Description | Distance Sensor Modules URM04 v2.0 Ultrasonic Sensor | Distance Sensor Modules SRF01 Ultrasonic Sensor | URM37 V4.0 ULTRASONIC SENSOR |
| Manufacturer | DFRobot | DFRobot | - |
| Product Category | Distance Sensor Modules | Distance Sensor Modules | - |
| RoHS | Y | - | - |
| Type | Ultrasonic Sensor | Ultrasonic Sensor | - |
| Sensing Distance | 4 cm to 5 m | - | - |
| Resolution | 1 cm | - | - |
| Operating Supply Voltage | 5 V | 3.3 V to 12 V | - |
| Operating Supply Current | 20 mA | - | - |
| Interface Type | RS-485 | - | - |
| Minimum Operating Temperature | - 10 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Length | 51 mm | - | - |
| Width | 34 mm | - | - |
| Packaging | Bulk | - | - |
| Frequency | 40 kHz | - | - |
| Beam Angle | 70 Degree | - | - |
| Brand | DFRobot | DFRobot | - |
| Product Type | Distance Sensor Modules | Distance Sensor Modules | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Development Tools | Development Tools | - |
| Unit Weight | 1.410958 oz | 0.352740 oz | - |