Check the listing for details. SOTAC GEAR Tactical PERST-1 Laser Green Weapon Aiming Indicator for Outdoor. Condition: New. Listed at 42.05 USD. Tip: 1.There is NO Battery unit inside. 2.Due to the lighting effect, there may be color difference in the pictures taken. Q&A: Q: Why does the product not include batteries? A:Because batteries belong to the transportation of dangerous goods in international logistics. Q:Why hasn't logistics information been updated for a long time? A: Dear, if the logistics information has not been updated for a long time, you can check the logistics information on this website：https://www.17track.net/en/.Or contact us directly. Q: The logistics information shows that the package has been delivered, but I have not received it. What should I do? A: Dear,please contact us immediately and explain the reason, we will help you obtain the package. Q: What should I do if I have any confusion about the product or logistics? A: Dear,please contact us directly, and we have a specialist to answer your questions.