Our products are suitable for the place: Child Gift,DJ, Disco, Christmas, Halloween, New year night, bedroom, Bar, Pub, Club, Student party, KTV, Family party, Birthday, wedding, holiday, celebration, Festival, Mall, Store, Shop and other appointed place. Laser stage light is a kind of effect for party or room, it is not for illumination,It is generally used at night or in dark places Important Options:(A Black/B With Battery):Choose different Option models, the products have different features and effects, please read the model effect description and pictures carefully Options A:A Black: This model have not built-in battery (NO), this is the base model: Product Size: 92mm [3.62in]* 67mm [2.64in]* 78mm [3.07in]; Package Weight: 0.37kg; Options B:B With Battery: This model with rechargeable battery; Battery: Rechargeable built-in Battery, It can work for 1-3 hours when fully charged, Charging usually takes 1-4 hours; Product Size: 95mm [3.74in]* 93mm [3.66in]* 59mm [2.32in]; Package Weight: 0.5kg; General Parameters: Light Effect: Moving Red Green Laser Dream Aurora Effect +60 Combination Patterns Projector + RGB LED Background effect, Please see our product effect pictures or our Video; Notice:Patterns and videos are shot in a smoky environment or room, Some of the effect(laser lines effect) need smoke machine or turbid environment can see Best Projection area: 20-80 Square meter; Working environment:10-40Celsius indoor; Laser Source: High quality Laser Diode, 2*Green:532nm,2*Red: 650nm; LED Source: 3W,Red/Green/Blue LED; Work Mode: Auto mode/Sound mode/Strobe mode; Sound mode: At Suitable range distance, with the music of the ring (bass), changes in the pattern of strong and weak.(Note: The voice control mode cannot use the mobile phone to play music test, because the sound is too low) Auto play: Auto program, patterns moving and change, and With stop few seconds to run few seconds, running a separate color, alone laser color or LED play and so on ; Control Mode: Remote/Manual control; Remote control: IR Wireless remote control, Control the effective distance of 0-5 meters,Battery model:2 * 3V CR2025, NOT include battery;  Material:Aluminum alloy; DC Power Supply: USB 5.0V 1-2A cable, can use all DC power supply with USB interface; Cooling system: Fan; Package Include: Stage Light x 1; Remote control x 1(without battery); DC USB cable x 1; Handle x 1;  EN User manual x 1; Product effects and pictures: Note: In the effect, the laser lines effect requires smog environment or Muddy air environment (like the night bar environment).