Product Description Barrina T5 1FT plant lights indoor provide light that infinitely close to natural light. Promote early maturity and increase production while improving fruit quality. Extend your grow season and achieve anti-season cultivation. It is a perfect option for indoor plants growing. Compare to HPS/MH, Barrina grow light has higher efficiency but low consumption. Blue Wavelength It is a necessary wave for chlorophyll, good for the photosynthesis, best for promoting the stem and leaf. Red Wavelength It is essential to a plant’s early life for seed germination, root growth, and bulb development. It also makes the plant yield better results when flowering. Green Wavelength Green light could make the plants look more healthier and gorgeous. Specification Package: 4-Pack Power: 20W(4-Pack) Feature: Available for use once connected & Linkable Frequency: 50/60 Hz Beam Angle: 160 degrees Input Voltage: AC100~277V Material: Top quality Aluminum & superior PC Linkable There are 1 power cords for each package. You just need to use the power cord to connect the power. Linkable up to 16 lights together with 50cm connecting cords or small connector, reducing your installation cost and time. Separately Controllable Each grow light has On/Off switch on the surface of housing, controlling the lights separately or together according PPFD that plants need. Good for Plant Growing Provide full-spectrum sunlight replacement (Yellow Color). Widely used for indoor gardening, flower shows and container gardening, greenhouse lighting, sowing, breeding, farming, etc Packing List 4 x Barrina T5 Grow lights 2 x Power Cords with ON/OFF Switch 8 x Installation Clips 12 x Double-sided Tape 12 x Cable Ties 3 x Connecting Cords(50cm) 4 x Small Connectors.