Wasp WLS9500 Barcode Scanner with PS2 cable. Scan type: Laser, Wavelength: 650 nm. Interface: PS/2, Cable length: 1.5 m. Power requirements: 5 +/- 10%VDC, Current consumption: 140 mA. Colour of product: Grey. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -40 - 70 °C, Operating relative humidity range: 5 - 95 %