Product Name: USB presentation remote controller, build in flash memery (optional)
Model No.: UT-P118 

Cupresous tube with high class rubber pait. Super smoothly & comfortably 

Funciton:
Laser pointer function
Page up/down function
Built-in flash memory available by customzie (64/128/256/512/1024MB)
Infra-red technology
USB plug and play, no driver required
Laser distance: up to 200m
Control distance: up to 15 m
Operation system: Windows 98/2000/ME/XP/Linux&Mac
Transmitter weight: 60g (including in batteries)
Battery: LR44 x 3