Note: This item comes with plug, please confirm the voltage of your area before purchasing. Description The electrical discharge desktop toy toy is made of safe and aluminum and acrylic materials for reliable and long time use. This beat electron toy can be given as a great present for your friends and families. Features - ColorBlack -Material:Metal aluminum, acrylic - Size: 10.00X10.00X5.00cm/3.93X3.93X1.97in -Power supply voltage: 110-240VAC 50/60Hz -Power: 0-120W -Electrical discharge Length: 0-10cm (knob adjustable) - Plug: Applicable voltage AC110 - No electrical appliances can be placed around when it is turned on, it forms and when turning on. - With transmission function, gaseous tube and kind of bubbles. - This desktop toy is small, light, and easy to carry, can take it with you wherever - It is a perfect teaching tool to spark students' interest of science, also can be a nice present - You only need to twists an electric-pin and plug-in the power sources to experience the charm of electrical discharge Package list: 1 1 x discharge needle 2 x atmospheric lights 1 x English manual