Feature: 1. Waterproof Dustproof: Dustproof and waterproof up to IP67 level, it can be washed with tap water or even soaked in water for up to 30 minutes. 2. Three in One Operation: 2.4G wireless, Bluetooth 4.1, USB2.0 wired barcode scanner three in one operation mode, switching is more convenient. 3. Prompt Mode: Indicator light, buzzer. After a successful scan, you will receive a haptic signal in the form of a slight vibration. The buzzer can be muted to allow quiet operation. 4. Function: 1D code, 2D code scanning, long transmission distance. Editable prefix or suffix up to 32 bits. 5. Wide Applications: With sturdy construction, suitable for commercial, retail, postal, warehousing, logistics, etc. How to Use: Connect and use Specification: Item Type: Wireless Barcode Scanner Material: ABS Model: MJ 2020DB Colour: Black Function: 1D Code, 2D Code Scanning Scope of Application: Commercial, Retail, Postal, Warehousing, Logistics, Customs System, Public Security System, Banking System, Medical System Wireless Transmission Protocol: Bluetooth, 2.4g Storage Space: 16MB Decoding Chip: ARM Cortex32 Bit Bluetooth Module: Bluetooth 4.1 Prompt Mode: Indicator Light, Buzzer Built in Battery: Lithium Battery Battery Capacity: 1800mah Working Time: 1D≤24h 2D≤16h (5 Seconds/time) Charging Time: ≤4 Hours Standby Time: >30 Days Package List: 1 x Wireless Barcode Scanner1 x Base 1 x Charging Cable 1 x 2.4G Receiver 1 x 2.4G Receiver Box 1 x User Manual