1. Technology: radio frequency
2. Frequency: 433MHz
3. Control distance: 300 meters
4. Maximum output: less than 1mW
5. Laser distance: more than 200m
6. Wavelength: 532nm
7. Battery capacity: 1000mAh lithium polymer battery
8. Operating voltage: 3.6V-4.2V
9. Size: transmitter: about 18.2 x 4.7 x 1.55cm; receiver: about 22.6 x 3.38 x 0.98cm (with antenna)
10. Weight: transmitter: about 76g; receiver: about 32g

Features:
1. 300m ultra-long control distance, more suitable for large conference hall speech display, free to move around the room, while controlling the PPT at any time
2. 10 times brighter than the red laser green laser, suitable for all presentation screens, even in bright rooms can also be clearly displayed, in a bright and comfortable atmosphere for more effective presentations
3. With LCD screen to show the time, with timer and silent vibration reminder, to help you keep track of the time, no need to stare at the clock all the time, 1000mAh lithium battery to support long time running
4. Mini USB receiver, support plug and play technology, no driver required, plug in the computer to open the presentation, no need to wait
5. Support page up, page down, full screen, black screen, support hyperlinks, support most of the presentation software, compatible with most operating systems


Safety Warning:
1. Note that the 433MHz laser transmitter is not a toy and should not be pointed at human eyes or airplanes under any circumstances
2. Laser pointer is for adult use only
3. Do not aim the beam at any flying objects, moving vehicles, or any public or private buildings
4. The laser should not be pointed at people or animals
5. The laser pointer can be dangerous if not used properly

Packing List:
- Demonstrator x 1
- USB receiver x 1
- Micro USB charging cable x 1
- User manual x 1