Made of plastic material, strong and , the scanning head is protected by soft rubber, non-slip, shock-proof and anti-drop 1D imager Optical recognition technology With powerful data capture capabilities, it helps to simplify daily workflow and reduce errors It uses quick-rebound keys and has undergone millions of strain tests, and can still maintain good key effects and is . name:Scanner Way:1D wire scan light source:Red LED (610NM~640NM) button:Quick rebound button :Buzzer LED indication speed:300 times/second (The product printed words depending on the batch, but this does not affect use) Color: As Shown Material: plastic Package Contents: 1 * Barcode Scanner kits 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.