1. Temperature and Humidity Sensor 2. Detect luminous intensity3. Push notification to mobile phone4. Battery: AA batteries x 2 (not uncluded)5. Temperature detect range: -20 - 80 degrees Celsius 6. Humidity detect range: 0% - 100% 7. Luminous intensity detect range: 0Lux - 9999Lux8. Working temperature: 0 - 60 degrees Celsius9. Working humidity: 0% - 100%10. Bluetooth network: 2.4GHz IEEE801.11b/g/n11. Wireless frequency: 2.4GHz12. Wireless protocol: IEEE 802.11b/g/n13. Network range: 45m14. Product Size: 84mm*55mm*32mm

http://olla.gr/neo-nas-th02w-wifi-3-in1-temperature-and-humidity-sensor-neo/