RAPOO X1800Pro Wireless Mouse & Keyboard Combo - 2.4G, 10M Range, Optical, Long Battery, Spill-Resistant Design,1000 DPI, Nano Receiver, Entry 
Keyboard
Transmission mode2.4G wireless/10m working range.
Key typeMembrane
Key lifetime5 million times
Multimedia hot keysYes
Spill-resistant designYes
Power supply modeAlkaline battery，
1 AA alkaline battery(Pre-installed)
Battery life12 Month
Product dimension435.75*157.01*29.73
 (L×W×H mm)
Mouse
Transmission mode2.4G wireless/10m working range.
SensorOptical 
DPI1000
ButtonsLeft button, middle button, right button
Scroll wheel directionTwo-way
Power supply modeAlkaline battery，
1 AA alkaline battery(Pre-installed)
Battery life12 Month
Product dimension118.5*62.7*40.2
 (L×W×H mm)
Design highlightsMultimedia hotkeys
Spill-resistant design
Long battery life
1000 DPI tracking engine
Plug-and-forget NANO receiver
Advantage / RecommendedEntry-level wireless combo, cheap, have basic functions，for the people who do not have too much performance requirements.