650nm red laser light + LED light with pen writing function

Model Number: WLP008 led laser writing pen Brand Name: Wowin Key Specifications/Special Features: Product name: Red laser light + LED light with pen writing functionColor: SilverProduct performance and advantages:3-in-1 multifunctional laser pointer pen set pen, LED lamp, laser pointer and pen writing, is widelyuse in teaching, audio-visual teaching and academic conferences, etc..It focus on briefings, guiding the audience's attention, the laser light is emitted a distance of more than 200 meters.Main purpose:An elongated, do telescopic pointer2.The pen end of the shot red laser can be used as a pointer3. Written ballpoint pen, beautiful and practical.4. The pen tailed LED flashlight, do lighting
5.Press and hold the red laser, can be used as you faraway teaching.
6.It can be used as a pen for writing.
Product range:
Teaching/training/command/projection
Technical parameters:
Working voltage: 4.5V
Battery: LR41 3PCS button battery
Product size: length =15.5cm, diameter =1.0cm
Maximum tensile size: 45cm
Optical power: 5MW
Laser distance: >200m
Laser wavelength: 650nm