Specification: ＜Light source＞ LED Power: 9W ＜Power supply＞AC100-240V,50/60Hz＜Power adaptor＞ DC5V, 1A-2A ＜Laser diode＞ Green 532nm, Red 650nm ＜Laser power＞ Green 30mW, Red 100mW ＜LED diode＞ Red x1, Green x1, blue x1 ＜Working environment＞ 10-40 degrees indoor ＜Play mode＞Automatic, Sound active, Strobe ＜Control mode: Manual, Remote control ＜ IP grade: IP20 for indoors ＜Preheat time＞ 2-8 minutes ＜Warranty＞ 2 years. ＜Battery type＞2PCS*CR2025＜ Button Batteries Battery included: No＞ ＜Package List＞ 1*Mini Party Light 1*US Adapter 1*24 Keys remote 1*User's manual ＜NOTE: 1. Please go through all description before purchase. 2. The pictures were made under the dark environment with foggy effects. 3. It's normal for a little sound when the disco light for parties is running as it was made with a stepping motor. 4. Please note that the battery of mini party light may wear out automatically, which may cause it fail to work. But please don't worry and feel free to let us know, your problem will be solved quickly. Thank you very much!＞