FEATURE: n With best balance of quality and price 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. SPECIFICATION: Performance Characteristics Light Source: Visible laser (650-670nm) Scan Rate: 80 scans per second (SPS) Reading Distance 1 to 38cm (resolution dependent) Scanner Type: Bi-directional Resolution: 0.125mm at PCS 0.9 Print Contrast Minimum: 25%, 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: PS/2, RS232, USB Voltage: DC+5V+/-5% Current: 150 mA Idle Current: <30 mA Power Source: Host power or external (RS232) power supply Stand: Optional Dimensions: ? Weight: ? 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 1.2m drops to concrete Safe: EMI/RFI: FCC Class A and CE Laser Safety: CDRH class 2 laser product