Sell 30mW green laser pointer-532nm visible laser, green laser pen

Description

Product parameters: Product size: *3.5X**2mm laser Wavelength: **2nm Output Power: <*0mW Outside Color: black and silver Battery: AAA * 2pcs Voltage: 3V DC Packaging: EVA + black box (or gray velvet box) Specifications: fixed focus, green spot, continuous output, the expect lifetime is more than ***0 hours Spot diameter: the smallest spot diameter ≤ 1.0mm; *5m Spot <*8mm Laser type: visible laser, green Range: over ****5, **0 meter (at night) Warm-up time: <*5mins Main Uses: Teaching / lectures: for teaching, as it is an unlimited extension of the pointer, you can make it in anywhere of the classroom, and there is a green spot in the blackboard, is an absolutely right-hand man for teachers and lecturers. Astronomy enthusiasts: means for astronomical observation, green laser beam is a very beautiful green beam, it is suitable for observing the night sky, it can easily help you to position the stars. Gallery guides: When you face the hard to touch of the goal, it can help you to easily and accurately position the goal. Building field / mining field: For accurately position to the building in a long distance, it can make people keep off dangerous region, as you can command far away the scenes. Business person/ Conference Speaker: For product show and introduction, meeting explain, you can make your lecture do as you wishes, communicate with your customers more naturally. Travelers field / Adventure: For adventure field, point the long-range goal and sent out distress signal, let your travel more safety