LED Plant Grow Light, Topled Light 16.4ft Grow Strip Light with Rotate Dimmer for Indoor Plants, Full Spectrum SMD 5050 Red Blue 4:1 Growing Rope Light for Aquarium Greenhouse Hydroponic(16.4ft);

Feature
-Roate Dimmer design, adjust brightness any time.
-3M double-sided adhesive design, place it where you need it.

Specification
-Waterproof: IP65, Resin
-LED Type: SMD 5050
-LED Quantity: 60LED/M (Red:Blue = 4:1)
-LED Wavelength: Red: 660nm; Blue: 445nm
-Beam Angle: 120 degrees
-Power adapter: DC 12V/6A

Waht you get?
1 x 16.4ft Led plant growing strip light
1 x Light dimmer
1 x 12V/6A power adapter

How to use the dimmer
-To connect the load line, connect the power cord; power cable between the front to ensure no short circuit
-Use rotary control, the following functions:
1)Rotate the knob to the right, the brightness gradually brighten, spin to the right, the brightness maximum.
2)Rotate the knob to the left, the brightness gradually darken, spin to the left, the lights turn off.

How specific wavelength works:
-Blue (wavelength: 440nm~460nm): Helps plants grow
-Red (wavelength: 630nm~660nm): Helps plants grow and flower: red LED is the key for flowering plants