Check the listing for details. 2PC 900Miles Green Laser Pointer Visible Star Beam Light Lazer for Pet Teach Pen. Condition: New. Listed at 13.99 USD. 2PC 900Miles Green Laser Pointer Visible Star Beam Light Lazer for Pet Teach PenFeatures: 100% brand new high quality and perfect design. Use your laser pointer to point at any desired targets on projection screen, video.With star cap it can show variable wonderful patterns at night. When take off the cap, it is a single beam pointer pen. Across the sky, allowing you to find the stars in the fan days you want the stars, is the leader in the vast sky.This high quality laser pointer adopts the latest technology optics and microelectronics. Power saving, lightweight, suitable for putting in your pocket and handbags can be used for presentation, teaching indicator, children amusement and more. Notes: 1. Negative pole -- inward, Positive pole -- outward 2. Press the push button to turn it on, release the push button to shut if off automatically. Specifications: Material: Aerometal Dimensions: 180 X 13mm / 7.08 x 0.04in Wavelength: 532nm Power Supply: 2x AAA Battery (not include) Laser Color: Green Focus mode: No Body Color: Black Working Voltage: DC=3.0-3.7V Preheat Time: < 3seconds Operating Temperature: +20℃～＋30℃ Output Power: 1mw Beam Style: Continuous Line Spot Size: 6M place