FEATURE: n Multiple interfaces PS/2, RS232 and USB supported; n Excellent decode capability, n Durable construction combined with future-proofing; n No extras or drivers required, plug and play design. n Remarkable performance with simple operation. SPECIFICATION: Performance Characteristics Light Source: Visible laser (650-670nm) Scan Rate: 100 scans per second (SPS) Reading Distance 1~700mm Scanner Type: Bi-directional Resolution: 3 mil at PCS 0.9 Print Contrast Minimum: 20%, minimum reflective difference (@650nm) Decode Capability: UPC/EAN, UPC/EAN with supplementals, UCC/EAN128, code 39, code 39 full ASCII, code 39 trioptic, code 128, code 128 full ASCII, codabar, interleaved 2 of 5,discrete 2 of 5, code 93, MSI, code 11, ATA, RSS variants, Chinese 2 of 5? Working Way: Triggered or automatic (continuous mode) scanning Physical Characteristics Interfaces Supported: PS2, RS232, USB Transmission Speed RS232 baud rate: 2400-38400 Voltage: DC+5V+/-5% Power Source: Host power or external (RS232) power supply Stand: Optional Dimensions: 18*5.5*10.5cm Weight: 100g Color: Gray + Black User Environment Operating Temperature: 0~40 deg C Storage Temperature: -30~ 60 deg C Humidity: 5~95% relative humidity, non-condensing Drop Specifications: Withstands multiple 1.5m drops to concrete Safe: EMI/RFI: FCC Class A and CE Laser Safety: CDRH class 2 laser product