Specification:          Product name:        LT-ZS005 USB Charge 405nm Purple Laser Pointer           Model:       LT-ZS005           Material:       fine copper           Output:       1.5v           Color:       Purple Laser Pointer           Wave Length Range:       405nm           Power:       5-2000mw           Wave Length:       532           Shape:       Pen Shaped           Battery:         built-in lithium battery、 USB charging           Light distance:       500M-5KM (depending on the power)           Voltage:       DC3V           Perfect Working Environment:       0-35            Switch Type:       touch switch           Shell Color:       Purple           Weight:       155g           Size:       18cm x 7cm x 3cm   Features:1.Pen shaped design、 easy to take in daily use2.Fine copper made、 rubrones surface treatment、 feeling comfortable3.Light distance up to 5km4.Fixed focal point、 the light beam continuous shootout、 we provide various patterns (6 patterns correspond with 6 different laser light patterns)Function:1. Field travelers \/ climbers \/ explorers:For outdoor adventures. ie. Measure distance、 sent out distress signals、 enable your travel be more happy and safeAmateur astronomers:Used for astronomical refers to the star、 green laser is very suitable for used in the observation of stars at night、 can accurately indicate the position of the stars.2. Mining field \/ construction personnel:Used for long-distance accurate instructions\/buildings. Avoid danger zone3. Teaching and tour guide:It is an excellent tool for teaching. Ie. Make a PPT presentation、 tourist attraction explanation.4. Have fun with your petPlease do not point the light directly to animal's eyesPackage included:1 x LT-ZS005 USB Charge 405nm Purple Laser Pointer1 x Battery1 x USB line1 x Box