LASER KEYBOARD User’s Guide
13
6.
SPECIFICATION
Pattern Projector
Item
Description
Keyboard light source
Red laser diode
Keyboard layout
Approx.19mm incline, sized QWERTY layout
Projection size
250mm(W)*110mm(H)
Keyboard location
Approx. 100mm from keyboard device
Required projection surface
Non-reflective, opaque flat surface
Electrical Characteristics
Item
Description
Recognition rate
Over 350 characters per minute
Operation Surface
Any opaque flat surface
Physical Dimension
38mmx75mmx18mm
weight
Approx. 47g
Power source
The USB power, Lower 1A @ 5V
Battery capacity:
Polymer rechargeable battery, 1000mAH(Max)@3.7V
Battery working time
120 minutes
Battery charging time
200 minutes
USB interface
USB 1.1 and 2.0. USB HID Ver. 1.0
Bluetooth
V3.0(class 2), HID Profile Ver. 1.0
Frequency Range
2402-2480MHz
Channel
79
Modulation
GFSK
Environmental Conditions
Item
Description
Working Temperature
Approx. -10~40
°
C/90%RH
Storage Temperature
Approx. -20~40
°
C
°
C/~90%RH