Delock 2,4 GHz Barcode Scanner 1D, 2D - This barcode scanner by Delock can be wirelessly connected to a PC or laptop Connector: 1 x USB 2.0 Type-B female Rechargeable battery: Li-Polymer battery 2000 mAh Decoding chip: ARM Cortex 32 Bit Resolution: max. 640 x 480 Trigger: scan button Reading distance: ca. 40 mm to 250 mm Reading accuracy: 5 - 10 mil