Model Number: VP620-#1916
Key Specifications/Special Features:
FeaturesMini receiver, power switch, laser button, page up/down, dark screen, full screen, TAB, ENTERSpecificationsTransmitterRadio frequency: 2.4 GHzWireless range: ≤100mLaser class: IIIa laserLaser range: >200mLaser power: <5mW (class IIIa)Laser wavelength: 650nm (red laser)Battery: 1*AAA battery
Working voltage: 1.5V
Sleeping current: <10μA
Dimensions: 155*20*15mm
Weight: 23.1g (battery is not included)
Receiver
Operating system: Windows/Mac OS/Linux/Android
USB interface: USB 1.1, USB2.0, USB 3.0
Working voltage: 4.5-5.5V
Dimensions: 45.3*14.4*7.5mm
Weight: 2.9g