[Wireless Room Temperature Monitoring System] Detailed Requirements

Amount and location of the sensors needed :

• Bedroom #1 (expected temp range : 15 to 25 C)
• Bedroom #2 (expected temp range : 15 to 25 C)
• Living Room (expected temp range : 15 to 25 C)
• Balcony (expected temp range : -20 to 40 C)
• Fridge (expected temp range : 0 to 10 C)

Optional (for later)

• Cooking temp sensor (Solid Food, Liquids, Pastes) (expected temp range (0 to 250 C)

The temperature sensors must be wireless and have a good autonomy.
The distance range must be around 50 meters to 200 meters. This system will be used in an apartment of 70 meters square and must be usable in bigger houses as well.