Specification Brand : JESSINIE BulletPoint : Skin Sensor Module CJMCU-6701 BulletPoint1 : The sensor adopts TCRT5000 and utilizes infrared light detection, with high sensitivity, anti-interference, and stable performance BulletPoint2 : Working voltage: 3.3V -5V BulletPoint3 : Output mode: digital signal BulletPoint4 : Measurement distance: 1CM -1 5CM BulletPoint5 : Detection probe: TCRT5000L ExternallyAssignedProductIdentifier1 : 0764921320851 ExternallyAssignedProductIdentifier2 : 764921320851 ItemName : JESSINIE 2PCS TCRT5000 Infrared Recognition Sensor IR 3.3V-5V 5 Channel Black and White Line Recognition Track Sensor for Arduino Smart Car Robot ItemPackageDimensions_Height : 0.7 inches ItemPackageDimensions_Length : 7.08 inches ItemPackageDimensions_Width : 4.72 inches ItemTypeKeyword : sensor-blocks Manufacturer : JESSINIE Material : Copper ModelNumber : CCS811 NumberOfItems : 2 NumberOfPositions : 5 PartNumber : CCS811 PowerSourceType : Battery Powered ProductDescription : Product parameters Using chip: 74HC14D Working voltage: 3.3V -5V Output mode: digital signal Measurement distance: 1CM -1 5CM Detection probe: TCRT5000L Detection signal: Detect the black line to output a low level, detect the white line to output a high level, and output a low level beyond the detection range LED status: The detection black line LED is off, and the detection white line LED is on