This is a Complete Set With Controller 
Shell Material: Metal
Light Source: LED
Light Color: Red
Pattern: Starry Sky
Working Temperature: -20℃~70℃
Working Voltage: 8V~36V
Laser Wavelength: 650nm
Laser Power: 100mw
Laser Safety Class: Class IIB
Waterproof Grade: IPX4
Installation Position: Armrest Box
Connection: USB
LED atmosphere light, interior decoration light, give you a romantic star's atmosphere.
With USB socket, can be used for cars, trucks, and any other music funny places.
Comes with double-sided tape adhesive, easy to install on armrest box, play and plug.
Universal fit for most cars
Package Included:
1 x LED Light Projector

Car Roof Star Lights Projector Ceiling Decoration Interior Galaxy Lamp Red+Blue