AFTER-SALES SERVICE CENTER IN US. We have office in US , you can see the demo lights in our US office. If there is any questions or problem with the lights , you can contact our workers who in US, they can help you solve the problems. Power Supply Bi-Voltage 110V to 220V, 50/60HZ Power. Scanner: 20kpss Feature Animation laser with high-speed optical scanner to create animated graphics, more than 300 beam show and graphics show patterns, and with the function of unique blanking, frequently flashing, rotating, movement, billowing, zoom (+/-), drawing and speed etc.Scanner 20kpss High-speed optical scanner, big angle scanning (0 to 20°) Play Mode: Sound Active, AUTO-Beam, AUTO-Animation, DMX, ILDA DMX channel. Light Size: 325244.2122.5mm. Items are dispatched from China warehouse within 48 hours (except weekends and holidays). Return items must be the problem of product itself, not Wrong manipulation by user. Can not control the entire process , if so , we are happy to communicate. Best to solve all the problems you meet effectively and properly. The item "2pcs NEW 2W RGB Laser Full Color 2000mW Laser Projector DJ Light Stage Lighting" is in sale since Tuesday, October 15, 2019. This item is in the category "Musical Instruments & Gear\Stage Lighting & Effects\Stage Lighting\ Single Units". The seller is "szbecencom" and is located in Shenzhen ,Guangdong. This item can be shipped to United States, Canada, United Kingdom, Mexico, Germany, Japan, France, Australia.