Excellent price if your looking to buy both. Available in store only.
Nest Protect has been completely redesigned. It has an industrial grade smoke sensor, can be silenced from your phone, tests itself automatically and lasts for up to 10 years. It also tells you what's wrong and can even alert your phone. Also has a path light feature and tells u exactly what the problem is and where it is.
Programmer and thermostat in one. Change the room temperature, adjust your heating schedule and view your energy use through one simple device. Auto-Schedule mode recognises your preferred temperatures and programs itself accordingly. Regulates heat to be efficient, displaying the Leaf icon when you're saving energy. Auto-Away setting automatically reduces the heat when the house is empty. Operate remotely from mobile, tablet or laptop.