Solar Underground Light Zero Solar Energy Electricity Bill / Smart Light Control / Large Capacity Battery / One Button Switch / No Wiring Required / IP67 Waterproof No Electricity Bill Year Round, Storage solar power, high photoelectric conversion efficiency, fast charging speed Automatically turn on in the dark, intelligent light control sensor, charge during the day and turn on the light at night Large capacity battery , bright lighting all night long Long life, outdoor waterproof performance, IP67 waterproof, outdoor lights are also on With different styles of environment, the landing is beautiful Name: Solar underground light Light source: 12 LED lights Material: PC + ABS Solar panel: polysilicon Battery: 1800 mAh Irradiation zone: 3 ~ 5m2 Waterproof index: IP67 Charging time: 6 to 8 hours Lighting time: 16 ~ 18 hours Rated power: 1 (W) Voltage: 1.2 (V) Installation instructions: 1. Connect the holder 2, insert the holder into the socket on the back 3. Turn on the switch on the back to charge. 4. Place the lamp buried in a sunny place After you receive the product, if you have any problem, please feel free to contact me, I will do my best to help you solve the problem. We will do our best to provide you satisfactory service