Quality and ergonomics at the workplace The CHERRY DW 5100 is our most successful desktop set with an ergonomic mouse. The abrasion-proof laser-inscribed keyboard makes the set a great partner in the office and on the road. Key benefits Wireless desktop set with abrasion-proof laser inscription Durable, high quality professional keyboard with ergonomic 5-button mouse Easy to install, requiring no technical knowledge Battery status display in keyboard and mouse Mouse has on/off switch for additional energy efficiency Nano USB receiver: also ideal for permanent use with the notebook Infrared sensor and adjustable resolution (1000/1750 dpi) 2. 4 GHz technology (range of up to 5 meters) Technical Data Housing colour: black Key colour: black Weight (product): approx. 800 g (keyboard with battery), approx. 125 g (mouse with battery), approx. 3 g (receiver) Total weight (with packaging): approx. 1500 g Transmission range: approx. 5 m Frequency range: 2. 400 GHz - 2. 4835 GHz Storage Temperature: -20?C to 60?C Operating Temperature: 0?C to 40?C Current Consumption: max. 5 mA (keyboard), max. 4. 5 mA (mouse), max. 35 mA (receiver) Interface: USB System requirements: USB connection Dimensions: 468 x 171 x 22 mm (keyboard), 106 x 68 x 39 mm (mouse), Mouse: Scanning: Infrared Resolution: 1000 / 1750 dpi (adjustable) Number of Keys: 5 Mouse wheel design: Scroll wheel with key function Design: Ergonomic, Right-handed design Connection: USB Housing colour: black Key colour: black Keyboard: Key technology: LPK Service life, standard key: > 10 million key operations Inscription technology: Laser Number of Keys: Product dependant, see table \"Models\" Number of additional keys: 10 Warranty: 2 years