1. and durable design: This solar disc light is made of stainless steel and plastic, which means that the quality is enough to prevent rust. The switch button on the back is covered with a sealed rubber, even in heavy rain, the solar light will not be affected. 2.Long working time: Since the energy conversion rate can reach 14%, even with LED lights, its brightness can reach 80lm, builtin 600mAh rechargeable battery, the disk light can be fully charged in only 6 8 hours, And can continue to use 8 10 hours of working time. 3.Light sensor: The solar underground light has an integrated light sensor, which will automatically turn on in the dark or at night, and turn off when dawn comes. Please stay away from any light source 4.Easy to assemble and install: Attach the attached wooden pile, just place the two plastic parts on the bottom of the lamp. Use spikes outdoors or use them without spikes indoors. Don't forget to loosen the soil before sinking the lamp to the ground and press the switch to the 'ON' position