WHS23-M 2.4G Wireless Barcode QR Code Scanner Handheld Bar Code Reader Fast and Accurate Reading: 32-bit CPU has strong decoding capability, with speed up to 300/s. There are two working modes: upload mode and storage mode. Internal offline storage supports up to 100,000 barcodes in offline storage mode. Scan and store barcodes when away from the receiver, and then update the data to your device when you return to the wireless transmission range Vibration and Sound Prompt: Equipped with two modes of vibration and sound. When you need a quiet working environment, just change the setting to vibration mode. In addition, you will receive a vibration alert when the scan is successful 2.4GHz Wireless Connection: Plug and Play, easy to use, including a barcode scanner stand. The USB receiver pairs automatically without installing any software or applications. The USB wireless receiver can be hidden and stored at the bottom of the scanner handle to prevent the receiver from being lost Automatic Sensing and Scanning: When adjusted to sensor scanning mode, scanning is activated when the sensor detects a change in ambient brightness. Both sensor scanning mode and continuous scanning mode support easy operation without manually pressing the trigger button. Place the scanner on the stand and enjoy a convenient scanning experience Rechargeable design: Built-in 2000mAh lithium-ion battery, it can standby for more than six months after fully charged. Continuously scan barcodes for more than a week. Rechargeable via any USB 2.0 port Specification: Code system: barcode, QR code Media: paper, screen Sensor: 1 million rolling shutter 60 frames Depth of field: EAN13 13MIL 3-29cm Aiming: red LED Fill light: white LED Wireless frequency: 2.4G wireless (with Bluetooth receiver) Bluetooth connection distance: 15m 2.4G wireless connection distance: 60m Battery capacity: 2000mAh Package included: 1 x Barcode Scanner with USB Wireless Receiver 1 x Data Cable 1 x English User Manual Other things not included