TSSS 2.4G Wireless USB Automatic Laser Barcode Scanner Reader, POS System, Supermarket, Warehousing and Logistics, Library, Bank, Transportation, Postal Service 1. Support one to one, one to many, many to one operation; and each base can respond to up to 254 scanners. 2. The terminal communicates with the base at long distance of 150 meters indoor or 300 meters outdoor. 3. 1200MA replaceable lithium battery enables 6-10 hours continuous use after full charge and avoids trouble of returning to factory for replacing battery. Base supports data transmission and battery charging. 4. Germany imported quartz scanning window; effective light penetration, scratch-proof. 5. Supports USB, PS2, RS232 and other designated interface.