The document provides information about the product's dimensions, weight, effective receiving distance, wireless radio frequency, transmission interface, computer system platform, laser wavelength, laser output power, power supply, and charging operation.
The LR-22GR is a wireless laser pointer controller designed for PC and Mac presentations. It combines a green‑laser pointer, mouse functions, multimedia control, and a rechargeable lithium‑ion battery in a compact 115 × 42.8 × 27.5 mm device weighing 62 g.
The manual explains how to charge the unit via the included USB cable, how to pair the nano receiver, and how to use the four‑position function switch for mouse, PPT, media, and QuickTime modes. Safety warnings and low‑battery alerts are indicated by dual‑color LEDs on the front panel. This manual is written in Chinese.
| Dimensions (L × W × T) | 115 mm × 42.8 mm × 27.5 mm |
|---|---|
| Weight (including battery) | 62 g |
| Effective wireless range | 30 m (open space) |
| Radio frequency | 2.4 GHz |
| Interface | USB 2.0 |
| Supported operating systems | Windows 2000/XP/VISTA/Win7, Mac OS 9.0 or later |
| Laser wavelength | 532 nm (green) |
| Laser output power | Class IIIa < 5 mW / Class II < 1 mW |
| Battery type | Rechargeable Li‑ion (400 mAh) |
| Battery life (continuous use) | ≈ 5 hours |
Connect the supplied USB cable to the device and a computer USB port; the side LED turns green when charging is complete and you can remove the cable.
The controller can reliably receive signals up to 30 meters in an open space.
It works with Windows 2000, XP, Vista, Windows 7 and Mac OS 9.0 or later.