1. Solar panel: 0.26Watt. 2. Li-ion battery: 1.2V 900mAh battery span life 500 circles 3. LED: 4pcs 4. LED light color: White 5. Solar charging time: 8 Hrs 6. Auto identify day or night 7. Sound sensor: it will run in power-saving mode in daylight, LED will be black. When trigger the sound sensor, the LED turn on and delay around 30 seconds automatically. 8. Stainless Material: PC+ABS