3 Pack Single-Point Laser Pointer Pens, Portable Laser Flashlight for Presentations, Teaching and Astronomy

Descrição de 3 Pack Single-Point Laser Pointer Pens, Portable Laser Flashlight for Presentations, Teaching and Astronomy

Features:

1. Made from aerospace-grade aluminium alloy, with a hard aluminium body that is strong and durable for everyday use.

2. Powered by 2 AAA batteries with large capacity and long battery life; battery is not included in the package.

3. Front push-button switch design: press to turn on and release to turn off, making operation simple and convenient.

4. Imported LD and related accessories help extend service life and support stable performance.

5. Built-in laser module improves heat dissipation, with PCB collection and protection design for safer internal structure.

Press the button to switch it on and release the button to switch it off automatically. It can be used to point at desired targets on projection surfaces, video monitors and presentation graphics, and can also be used for forensics, lighting, display, alignment, sky pointing for astronomy, or simply for general use.

Specifications:
Material: Hard aluminium
Surface treatment: Black anodised finish
Battery: 2 x AAA batteries (not included)
Operating voltage: DC 3V
Wavelengths:
Red light: 650nm; Blue-violet light: 405nm; Green light: 532nm
Range (maximum visible distance by naked eye at night):
Red light: 500m; Blue-violet light: 50m; Green light: 1000m

Notes:
1. Please allow a 1-3mm difference due to manual measurement.
2. Please do not carry out installation in a dusty environment. Please read the installation steps on the two tabs on the front and back of the protective cover before installation.
3. Never point at people and always avoid direct eye contact. Keep out of reach of children.

Package Includes:
1 x Green laser pointer (battery not included)
1 x Blue laser pointer (battery not included)
1 x Red laser pointer (battery not included)