Specification: Product name: Adjustable Focus 532nm Laser Pointer Body material: Aerometal Switch: body click switch Focus mode: Adjustable Focus Battery power: 1 x 18650 Battery (included) Laser range: 1000-8000meters Wave length: 532nm Output power: 1mw,5mw Working voltage: DC3.7V Working temperature: 15 degrees C to 35 degrees C Laser Color: green color Size: 16.5 x 2 x 2cm(length x body x head diameter) Features: 1.Lightweight and handy, suitable for put in your pocket or handbags 2.Adjust the focus to enlarge the spot size. 3.Serves a distinct signal to indicate the way out. 4.A helpful tool in astronomic study. If you are a big fan of astronomy, you gotta have one of these! Cautions: Avoid direct eye exposure to laser beam. Package included: 1 x Adjustable Focus 532nm Laser Pointer 1 x 18650 battery 1 x battery charger 1 x keys 1 x holder
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