Weight: 48.4 g, included Battery (not including Receiver)
Max output: less than .039 mW
Wavelength: 640-660 nm (red light)
Battery: 12 months + 1 extra week without laser pointer 1When your battery is low, the R500s goes into a 'power-saving' mode – disabling the laser to extend battery life so you can continue presenting for an extra week. Battery life may vary based on use and computing conditions.
Indicator Lights (LED): Battery and Connectivity LED
Connection Type: Bluetooth low energy technology and 2.4GHz wireless connection