Manufacturer:AOBO Lighting Sci-Tech Co.,LTD
Model:B30
Description:30mW green laser light
Scanner:High precision step motor
Laser Diode:Green 30mW  532nm wavelength DPSS
Display Effect:Green beam laser light,can display more than 100 laser beam patterns such as diffusing laser network, slowly rotating color fan, time and space tunnel and fairy flowers etc.
Play Mode:Sound Active,Auto-running
Power Supply:AC110V-220V,50/60HZ
Dimensions:248x150x70(mm)
Weight:2.0kg

this one comes with three models by different power:
B30-30mW green laser light
B50-50mW green laser light
B80-80mW green laser light