This green laser pointer ranges from 200mw to 400mw, with its focus adjusted.

The detailed opreration:
1. Optical port protection round: The role of protecting optical port
2. Focus ring: The role of focusing
3. Working indicator light: Indicates that the laser working state
4. Key switch: Turn on lasers
5. Tags: Atlas of Laser Parameters
6. Back Cover
7. Protection of pigtail: A security protection
8. Lanyard.

1. Battery Installation
Open the rear cover screw.
Take out the batteries then ready to be placed.
Butteries placed toward the battery anode, aligned inside the spring, and then screw back cover tightly.
The security indicator is inserted into the rear pigtail.

2. Focus adjustment
After laser pointer open, rotate focusing circle to the left, spots become larger, the focus closer; Rotate to the right, spot smaller, the focus farther.
Focus identification method: Turn focusing ring to the right so that spot become larger, when you watch out the laser beam from a side that light beam focused on the smallest point.

Notes:
Do not lay laser into the water and humid place.
Do not fall laser at the heighrt and squeeze violently.
Please make lasers place out of children's reach.
Do not irradiated with laser. Do not light a long time.