USB Connection Distance : 30meter

Red Light Pointer Range : 800meter 

Features:
100% brand new and high quality!
This device incorporates a new patented technology that is
designed for computers and multimedia projectors
Agreat tool for PowerPoint presentations
Radio frequency: 433mhz
Transmitter laser output power:650 nm<1 mw
Receiver interface:USB 1.1
Receiver supported OS:Win 98 se/Me/2000/XP
Transmitter battery:Alkaline 12V
Receiver battery:USB 5.0 V
Transmitter operation current:15 mA
Receiver operation current:10~12 mA
Product Properties:
Remote Control:Yes
Wireless:Yes
Light Color:Red
Function: for computers and multimedia projectors
Page Flapper:Yes
USB Interface:Yes
Type:Laser Pen
Specifications:
Size: approx. 150*85*31 mm(Package)
Transmitter size: approx. 113*19*18mm
Receiver size: approx. 70*22*10mm
Net weight: 33g
Package weight: 45g
Color: Black
Packing Content:
1 x Receiver
1 x Transmitter