4mw 405nm Purple Beam Laser Stage Pen Built-in Battery(Magenta)

Highlights
The first of the world USB direct charge lithium purple / purple laser pointer pen without having to install the battery the computer directly with a USB socket charger mobile power charger power strip power charger direct charge of heat generated naturally large pro using continuous light in the summer about 30 seconds off a little longer to open is conducive to longer product life!
head. Built-in laser module to improve cooling devices circuit board protection design collection (good for the domestic transformation of the current laser circuit board defect conducted)
1. Pen-shaped design lightweight and elegant! Easy to use built-in lithium battery USB charging.quite convenient and easy to take in daily use
2. Fine copper made rubrones surface treatment feeling comfortable
3. Foot power clear and bright beam of light at night light distance up to 5km
4. Fixed focal point the light beam continuous shootout

Functions
1. Teacher / lecturer - for classroom teaching it is like a pointer infinite at any corner of the classroom you can easily refer to the planning board and be absolutely an assistant for teachers.
2. Business person / Conference Speaker - product demonstrations and meetings explained let your speech become capability and with customers be more relaxed and natural.
3. Museum / Exhibition / tour guide - When you are in the face of tentacle difficult and do not know what the objectives of the beam it can help you indicate target easily and accurately
4. Field travelers / explorers - for outdoor adventure indicating distant targets and a distress signal issued. It is the preferred equipment to Make your trip more interesting for outdoor activities.
5. Astronomy enthusiasts - for astronomy star purple laser emitted beam is a very beautiful purple line. Be Well suited for observing the night sky and can accurately indicate the position of the stars.
6. Mining field / construction workers - for remote accurate indication / measure buildings. Avoid approaching the danger zone. Allow you command spot outside thousand meters like your sight.