Connection Type: Bluetooth low energy technology and 2.4 GHz wireless connection, Wireless range: 20 m 4, Indicator Lights (LED): Battery and Connectivity LED, Battery Life: 12 months + 1 extra week without laser pointer 5, Laser: Class 2 laser, Max output: less than 1 mW, Wavelength: 640 - 660 nm (red light)

Bluetooth 2.4Ghz, Rentang Nirkabel 100 Kaki (30m), Lampu indikator : LED Baterai, Panjang Kabel : 140 mm (5.5 Inch), Sensor : accelerometer dan giroskop 3D, Teknologi sensor : Sensor gerak

Wireless Presenter, Wireless mini-receiver, 2 AAA batteries, Carrying case

Professional Presenter, Wireless mini-receiver, 2 AAA batteries, with Carrying Case, Green Presenter for LCD