Whist 303D Laser Pen 532nm Green Laser Pointer Pen TV Screen Stylus Office School Supplies

Features:1. It is used to point at any desired target on projection screen, video, etc.2. It can be used for presentation, teaching indicator, etc.3. With star cap it can show variable wonderful patterns at night.4. When take off the cap, it is a single beam pointer pen.5. Across the sky, leading you to find the stars in the clear nights.6. Lightweight, suitable for putting in your pocket or handbags, easy and convenient to bring.7. This high quality laser pointer adopts the latest technology optics and microelectronics.8. Designed with green color light, which is easier for you to find the target and outlight the key point.9. Made of aluminum alloy, more durable, handle is made of anti-slip material, which prevents the laser pointer pen from dropping down.10. Designed with a hang rope, convenient to bring and you dont need to worry about lossing it.11. Designed with a waterproof sealed ring at the end, which keeps water from running into it.12. Power-saving: with a key to lock the laser to avoid power loss -- when the key points at the red point ~ lock (green point~unlock).Kindly Remind:1. After putting the correct battery, please use the key to unlock the laser firstly and then press the button. 2. The laser pinter pen was influenced by temperature.In winter, if temperature is low outside of room, please warm up the laser pen for 5 minutes.3. Avoid direct eye exposure to laser beam.4. Please dont keep open for a long time, otherwise easy to damage the light bulb.5. Children