3pcs Rechargeable 303 L. Pointer Pen Light

3pcs 532nm High Power Rechargeable 303 Laser Pointer Pen Astronomy Visible Beam Light All for $85 Instruction: *100% brand new high quality and perfect design. *Simple and easy to use. *Use your laser pointer to point at any desired targets on projection screen, video. *Power saving, lightweight, suitable for putting in your pocket or handbags. *This laser pointer can be used for presentation, teaching indicator, children amusement and more. *This high quality laser pointer adopts the latest technology optics and microelectronics.   How to use 1. Charge the battery first for 3-4 hours. The indicator of charger blinks red and green or just blinks red when the battery is in charge. The indicator of charger turns to green when the battery is in full charge. 2. Install the battery in the laser. Put the negative pole (cathode) into the laser first, that means leave the positive pole (anode) touching the end cap. 3. Install the end cap. Use the key to make sure it points to green. 4. After installing the battery and end cap correctly, press the power button to turn the laser on. Be aware of that you need to keep pressing the button to keep the power of it. 6.Rotate the head of the laser to change the focus. The more you rotate, the bigger the focus becomes. Product Description: Material: High quality aluminum Switch mode: touch switch Battery type: 18650 rechargeable battery Wavelength: 532nm Start-up time: ≤0.001 seconds Working voltage: DC3.7V with key protection Dimensions: 22mmX158mm Power supply: battery  Package Included: 3 x Laser Pointer  3 x Battery 3 x Smart Charger