Features:Remote control method:wireless radio frequency technology
Laser:3R class laser
Remote control distance:100M
Laser distance:more than 200m
Wavelength:650nm (red light)
Battery:360mAh lithium battery
Working voltage:3.6V-4.2V
Operating System:for Windows / for Mac Os / for Linux / for Android
Receiver USB Version:Compatible with USB1.1, 2.0, 3.0
Weight:2g (receiver)
Weight:25g (transmitter does not contain batteries)
Package weight:65g, transmitter
Product size; 138 x 18 x 13mm (transmitter)
Product Size:22 x 13 x 7mm (receiver)
Package size:15cm x 5cm x 2cm
Package Included:1 x Doosl DSIT007W Laser Pointer
1 x USB Receiver
1 x USB Cable