New starry sky projection lamp $ 37.00 product description Name: Colorful starry sky projection lamp Laser (green light) parameters: laser classification (Class) J laser wavelength: 523mm LED power: 5W Starry sky color (controllable single color) Shell material: ABS material Adapter specifications: US regulations European regulations Adapter parameters: input voltage 110-240V output voltage 5V Remote control: 20/30 meters wireless remote control Battery model: No. 7 battery (without battery) Power cord length: 1m Applicable scene: Indoor home theater restaurant bar cafe birthday party wedding background layout