This is a 'WiFi Temperature Sensor' powered by an imp card from electricimp.com
SD card holder for imp module
DS2428-100 1-wire i2c bridge
DS18B20 temperature sensor
Hammond 1593P enclosure
3 pin header for 1-Wire (3.3v, GND, Data)
Transistor(?) to control power to sensor switched by pin 5 on the imp.
Skills: altium designer, circuit design, electronics