2. We recommend not operating the laser pointer continuously for more than one minute at a time to prevent overheating, which can damage the laser or shorten its lifespan.
3. Remove the batteries when the product is not in use, and store the batteries in a safe place out of reach of children.
4. If the laser output is low or dim, recharge or replace the batteries.
Remark: The battery is not allowed inside by custom in some area, maybe custom will confiscated all the goods for the battery, so please know the law in your country. Of course, we can know it from other way instead of you if you can't confirm it.
Turn right, it will show kinds of patterns with lasers, and turn left, it will directly out of laser pointer. It is the difference between it and 303 laser pointers.