1. Size :10' /25cm diameter halo shaped plant growth lamp, suitable for indoor potted green plants, full spectrum of simulated sunlight, give your plants like the natural soft light, promote plant photosynthesis, let plants grow ier, more lush. 2. Adjustable height 59inch/4m Line length: The lamp height can be adjusted up and down through the telescopic support rod. The height adjustment range is 1659 inches /40150cm. 157inch/4m wire length for a wide range of applications. 3. Easy installation: no tools, two steps installation. 1. First connect the lamp holder to the metal support rod, and then insert the support rod directly into the soil of the flower pot to fix it. 2. Attach a thin 2mm/0.08 inch metal base, connect the support rod to the base and place it on the ground. 4. Automatic timing switch: The lamp has its own timer, with three modes of cycle timing function, can set the daily continuous irradiation time, 4H/8H /12H,three modes to choose, also can choose manual switch. 5. 10level dimmer 3 kinds of light color switching :10 brightness adjustment modes, white/yellow/light pink three kinds of light color switching 6.360° irradiation Angle adjustable: Add flexible gooseneck tube, can arbitrarily adjust the lamp head irradiation Angle 7.21watt power, illuminance is stronger: the illuminance test is 12000lux at 10cm from the light source, and 5000lux at 30cm from the light source 8.Full spectrum imitation of sunlight: 660nm and 460nm enhance the full spectrum of red and blue light, which helps plants to bloom, increase color and synthesize chlorophyll