1.Universal handheld image 2D barcode scanner, using international advanced image transmission technology, with two-way communication instant error correction feedback, complete a variety of commonly used one-dimensional code and two-dimensional code reading. 2. The reading distance can be up to 20cm highand the information in the barcode can be read quickly. 3. Compact, lightweight, ergonomically designed and comfortable to feel. 4. Excellent durability: Dust-resistant and water-resistant IP54, while withstanding 1.5m drops to the cement floor, ensuring reliable operational performance in the event of liquid splashes, drops and collisions in everyday use. 5. Supports the reading of paper barcodes, LCD display barcodes, mobile phone screen barcodes, anti-color barcodes, and non-standard barcodes such as print distortion and wrinkle breakage. The input voltage: DC 5V ± 0.25V Power: 1.75W (working);0.65W (standby). Current: 130-350 mA Resolution: 640 x 480 pixels Scan angle: ± 60°, ± 60°, ± 360° (Deflect, tilt, rotate) Colour:Black Material:plastic Package Contents: 5 x USB Wired Barcode Scanner (Due to different product batches, the appearance may vary, which does not affect the use) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.