4koti LASER KEYBOARD, Руководство пользователя

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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, 700mAH(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