(3 pack) Great Value 2ft Selectable Spectrum LED Grow Light, 20W, Linkable

Great Value 2 ft Selectable Spectrum LED Grow Light 20W Light Source: Integrated LED, Blue and Red wavelengths PAR (µmol/s): 30.57 Power Source: 5 ft Power Cord power Control: Dual On/Off Water Resistant Switches Accessories: Plastic Drywall Anchors, Screw Hooks and Chains for Hanging Linkable: Up to 10 units Dimensions: 22.5"(L) x 5.1"(W) x 1.8"(H) Weight: 1.9 lbs.