Read and output printed barcodes to a computer instantly using barcode scanner for quick check out process. Oversee POS has many types of barcode scanner such as pen-type scanner, laser scanner, CCD readers, camera based readers, Omni directional barcode scanner. Connect the scanner to a computer wirelessly via Wi-Fi or Bluetooth, and it also supports other method of connection like USB and proprietary interface.

Barcode scanner usually transfers the light signal/laser beam into electrical signal to a computer. It consist of a light source which emits light on the bar code and reflected back to the photodiode present next to it in the barcode scanner. Then these optical impulses are decoded into electrical signal to computer where POS system like oversee POS manages to do rest of the billing process.