Again, the price range may be wide – ordinary detectors can cost as little as $15 per piece, while the smart smoke detector retails for an average of $130 depending on the model – but remember, you’re buying protection and safety for you and your family. Smoke detectors are one of the essentials in any home or apartment. This inexpensive lifesaving product can detect smoke and warn a family of a fire or impending fire. It is very important to have a battery operated smoke detector in the event of loss of power, in addition to a fire. It is recommended that a battery operated smoke detector be on each floor of your home. Finding the right product to protect your family can be difficult with so many reports finding the weaknesses in this life saving device.