Specification Brand : Taidacent BulletPoint1 : Product model: ultrasonic ranging BulletPoint2 : Function introduction: detection distance; a certain distance value can be set; lower than the set value; the buzzer will alarm accordingly BulletPoint3 : Detection distance: 30MM~4000MM is less than 30MM, which is not detected in the blind zone. BulletPoint4 : Detection accuracy: 0.5MM BulletPoint5 : Power supply range: DC3~20V ExternallyAssignedProductIdentifier1 : 0792323447623 ExternallyAssignedProductIdentifier2 : 792323447623 ItemName : Taidacent 3-400CM High-Precision Ultrasonic Ranging Board Single-Chip Digital Display Detection Distance Sensor Alarm Wireless (with 2 Plug Wires) ItemPackageQuantity : 1 ItemTypeKeyword : ultrasonic-proximity-sensors Manufacturer : Taida Material : Copper PartNumber : ZC-YF-10rangeboard-1026 ProductDescription : 1: Product model: Ultrasonic distance measurement 2: Function introduction: detection distance; a certain distance value can be set; lower than the set value; the buzzer will alarm along with it 3: Detection distance: 30MM~4000MM is less than 30MM, which is not detected in the blind zone. 4: Detection accuracy: 0.5MM 5: Power supply range: DC3~20V