Logitech R500 Presenter

Deliver impactful presentations with the R500s  Presentation Remote. Move freely and navigate slides from up to 65 feet (20 meters) away – and point out precise areas of focus with the red laser pointer.DimensionsPresentation remoteHeight: 4.87 in (123.6 mm)Width: 1.44 in (36.6 mm)Depth: 0.97 in (24.7 mm)Weight: 1.71 oz (48.4 g), included Battery (not including Receiver)ReceiverHeight: 0.99 in (25.0 mm)Width: 0.69 in (17.5 mm)Depth: 0.26 in (6.6 mm)Weight: 0.07 oz (2 g)Technical SpecificationsLaserClass: 1 laserMax output: less than .039 mWWavelength: 640-660 nm (red light)BatteryBattery: 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 LEDConnectivityConnection Type: Bluetooth low energy technology and 2.4GHz wireless connectionWireless range: 65.62 ft (20 m) 2It may vary based on use and computing conditions.