Specification: Light Source:: Visible Laser Diode 650 nm ?5 nm Scan Speed: 72 scans per second Decoding function: Supports all general barcodes Interface: PS/2, RS232, USB Voltage: 5V DC Operation current: 80mA Backlight : Uses specially makes the light filter, may adapt to glare circumstances and so on in the room and outdoor environment. Temperature: 0 ℃ -40 ℃ Store temperature: -40 ℃ -60 ℃ Shock:Designed to withstand 1.5 m drops The SR-4000 laser barcode scanner is a section high performance 1D laser barcode scanner, the product design novel, has the remarkable decoding ability, the connection is simple and convenient, the use nimble, quakeproof guards against falls the performance well, the error rate is low, conforms to the kinesiology completely; Is suitable in the commercial POS system, the library, the bank, the insurance, enters sells saves the management,