Topmate KM21 Wireless Keyboard and Mouse Combo 24GHz Silent Wireless Keyboard and Mouse 3 Adjustable DPI Modes Full Size 104 Keys Keyboard for Windows Mac OS Laptop PC

Keyboard Parameters Keyboard type: 2.4G wireless keyboard Battery type: AAA LR03 alkaline battery Keyboard size: 436.7×146.9×28.2mm / 17.2×5.79×1.11in Transmission range: 8-10m / 314.9-393.7in Operating life: 10 million times Material: ABS Receiver weight: 2g/0.004lb Keyboard weight: 553g/1.22lb Working voltage: +5V ± 0.5V Working current: 100mA MAX Storage temperature :-20°C to+60°C Operating temperature : 0 to+55? Indicator status(red light) 1.CAPS: Red light 2.NUM LOCK: Red light 3. Low voltage and matching code: Red light Mouse Parameters Mouse type: 2.4G optical mouse Mouse weight: 66.8g / 0.15lb(without battery) Mouse size: 112.5×67.5×41mm / 4.43×2.66×1.62in Switch life: (long wind) 1 million times, red dot. Frequency: 2.402GHZ-2.480GHZ Transmission range: 8-10m / 314.9-393.7in Optical SENSOR: FCT-3065-XY-D Plastic material: ABS Interface: USB Mouse tail light: Red light Working voltage: 1.5V Working current: 15mA Rate of return: 250HZ DPI switch :Dedicated DPI button DPI :1600DPI(default) -800DPI-1200DPI Battery type: AA LR6 alkaline battery Sleep current: 40uA(when mouse does not move after 15 minutes)