This is an Elecom red laser presenter. 【Price: ¥13,420】 【Model Number: ELP-R02BK】 【★Instruction Manual (PDF) ↓】 https://www.elecom.co.jp/support/manual/laser-pointer/elp-r02/elp-r02_v1.pdf (＊No box. Please refrain from purchasing if you are concerned about minor imperfections, as it has been stored at home.) 【Features】 This red laser presenter is ideal for presentations using a computer. It uses a wavelength (635nm) that is about twice as visible as a general red laser (650nm). It achieves a laser reach of 100m, making it ideal for use in large venues. It can comfortably control presentation software (PowerPoint(R)/Keynote). You can operate slide start, advance, return, and volume control during video playback. It has a mouse pointer operation button, allowing mouse operation during presentations. It employs a trigger-type power switch that is stable and less tiring. It can be operated with a natural grip of the main unit. With two AAA batteries, it can be used continuously for about 18 hours for laser use and about 60 hours for mouse use. 【Material】 (Main unit) ABS, (Buttons) Rubber 【Weight】 (g) (Main unit) 70, (Receiver) 3 Type: Remote control type 【Operating Temperature Range】 (℃) 0～40 【Supported OS】 Windows 8.1, Windows 8, Windows 7, Windows Vista, Mac OS X 10.6～10.6.8/OS X 10.7～10.7.5, 10.8～10.8.3, 10.9, 10.10 (Width W × Depth D × Height H) (mm) (Main unit) 38 × 130 × 28, (Receiver) 16 × 34.5 × 7) Functions: PowerPoint compatible, with mouse function Batteries used: 2 AAA alkaline batteries (included) LED display (power indicator): Red Laser dot diameter (Φmm) [Distance (m)]: 5 [100] Battery life (continuous laser use): Approximately 18 hours, (continuous mouse use) Approximately 60 hours Number of buttons: 10 Output (mW): Maximum 1 (Class 2) Color (main unit): Black Laser wavelength (nm): 635 Thank you for viewing.