Specification:1. Solar panel: 0.55W， 17% efficiency2. Li-ion battery: 3.7V 600mAh3. Switch inside for saving power during shipment4. LED: 0.8W，5. Lumens: 80lm6. LED span life: 50，000 hrs7. Solar charging time: 8 hrs8. Lighting mode: Dark/DIM/bright， DIM: weak lighting for saving power;Bright: motion activate for lighting9. Auto identify day or night10.Protect function: over charging， over discharging， over current， short circuit11. Li-ion battery span life: 500 circles12. Solar panel span life: more than 5 yearsPackage Content:1 x Solar PIR Motion Sensor Light4 x Installing Screws1 x Probe1x ManualProduct size:10.5*14*5CM