1. Size: 75 X 30 X 78mm 2. Weight: one set with a net weight of 0.08 kg, and one box with 2 sets of 0.19 kg 3. Power source: solar panel and nickel-metal hydride battery 4. Working environment: outside area under direct sunlight. 5. Working temperature: -20 --- + 60 degrees Celsius 6. Operating humidity: 100% 7. Atmospheric pressure: 86KPa --- 106KPa 8. Storage temperature: -30 --- + 70 degrees celsius
