Features: Presentation Controls, Waterproof, wiht star cap Portable size and science shape design. Simple and easy to use. A perfect gift for yourself or friend Specifications: Battery type: 1 x 18650 battery (Not included) Laser Color: Green Power Source: Battery Power: 5mW Type: Pen Model: High Power Laser Pointer Pen Wavelength: 532nm Size: 157*22*18mm Package Included: 1 x Green Laser Pen(no battery). 1 x star head Notes: There is 2-3% difference according to manual measurement. Please check the measurement chart carefully before you buy the  item. Due to the difference between different monitors, the picture may not reflect  the actual color of the item. Thank you!

About shippingShipping and Packaging All itwill be double checked and well packed before sending.Itwill be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). Special Announcement:Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .Your 100% satisfaction is very important to usIf the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.