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MediaRange Digital 4-button wireless presenter, black/silver MediaRange Wireless presenter with digital pointer and navigation buttons are perfect for professional lectures and presentations in the office, schools or auditoriums. The compact and stylish presenter can be connected via the USB dongle (Plug & Play) to your computer and allows you to move up to 15m around the room. Model: 4-button wireless presenter with digital pointer Connection: USB 2.0 2.4 GHz Nano dongle with up to 15m transmitting distance Rating USB Nano dongle: DC 5V; USB bus-powered Rating wireless presenter: 3V - 10mA; 2x Micro 1.5V AAA battery required; not included to delivery Frequency range; Frequency shift: 2411 MHz - 2476 MHz; GFSK modulation Radio-frequency power transmitted (EIRP): 1.991mW; 2.99dBm (max.) max. antenna gain; Type of antenna: 0dBi; Internal PCB antenna Color: black/silver Dimensions: 138 x 18 x 15mm Weight: ± 35g (without batteries)