Key Specifications: Performance Light Source : 650nm laser (safety visible light) Operating Channel : 433MHz|SM Communication Distance : 200-300 meters indoor or 300-500 meters outdoor Supported Symbologies : All 1D codes Precision : 3 mil (0.076mm) Depth of Scan Field : 10-800 mm Interface : RS232, PS2 Keyboard, USB Operation : Manual/ Automatic Decode Speed : 200 times/second Decode Error Rate : Less than 1/ 8 million Print Contrast Signal : 30 Scan Angel : Yaw(Skew) 45 Pitch 60 Safety : Full quakeproof, waterproof, dustproof, antiknock-design and EMI Shielding Warranty : One year total free and one year additional free workmanship. Inner box: 335mm x 210mm x 90mm, 805g Packing list: Wireless barcode scanner 1 Base 1 Battery pack 1 Antenna 1 Cable 1 Association card 2 Users guide 1.