Package Includes:
1 * Green Laser Pointer
1 * 18650 Rechargeable Battery
1 * Charger
Size: 14.5cm * 2.5cm
Wavelength: 532nm
Range in darkness: 10，000 meters
Power Supply: 3.7V 18650 Industrial Package Li-ion Battery with multi-function charger
Focusable(you can change the size of the point)
use for:
Teacher/lecturer，
Museum/show room/guide，
Open air tourist/explorer，
Astronomer，
Field of mining/building constructors