Welcome to our store! 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 turned off to allow silent operation. 4、Function: 1D code, 2D code scanning, long transmission distance. Editable prefix or suffix up to 32 bits. 5、Wide Applications: With robust construction, suitable for commerce, retail, postal, warehouse, logistics, etc. Item Type: Wireless Barcode Scanner Material: ABS Model: MJ 2020DB Color: Black Function: 1D code, 2D code scanning Scope of Application: Commercial, retail, postal, warehouse, 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 capacity: 1800mah Working Time: 1D≤24h 2D≤16h (5 seconds/time) Charging Time: ≤4 hours Standby Time: >30 days 1 x Wireless Barcode Scanner 1 x Base 1 x Charging Cable 1 x 2.4G Receiver 1 x User Manual Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.