If you want to light up the night anywhere you go， you don’t need to use the force like Luke! You can just use this handy Mini Lightsabre LED Keychain， no technical skills required. The keychain provides vivid light. Not only is this gadget great for amusing your friends， but it can also be used for signaling at night or worn around your neck when you’re biking to make yourself more visible. The light is attached to a durable metal keychain and requires 4pcs AG3 batteries. Wise choice!                                    Features             Portable and cute design<br> Work as a signaling LED light rod<br> Perfect for camping， cross country skiing， fishing and other outdoor activities that might require signaling between you and your friends<br> Also a perfect safety marker for bikers<br> Powered by 4 x AG3 button batteries (included)  <br>                                                            Specifications             Dimensions     (4.72 x 0.38 x 0.38)" / (12 x 0.96 x 0.96)cm (L x W x H)    <br> Weight     0.51oz / 14.5g    <br> Material     Acrylic & Aluminum Metal    <br> Perfect for      Camping， Cross Country Skiing， Fishing and Other Outdoor Activities， Also a Perfect Safety Marker for Bikers    <br> Power Supply     4 x AG3 Button Batteries (Included)    <br> Light Source     LED       <br>                                                             Package Includes            1 x LED Keychain <br>