With a simple one button push, this thermometer is a contact thermometer and the user must scan the babys entire forehead for at least 3 seconds. The NFS100 is included as a medical device on the Australian Register of Therapeutic Goods (ARTG No. 198436). The NFS100 is intended for use as a measuring device for determining the patients body temperature. Fast temperature detection. No probe filters. Stores up to 8 recorded temperatures. Auto-off (one minute). Requires 1 lithium CR2032 battery (supplied). Convenient holder included. 1 year warranty for added peace of mind. Button/coin cell batteries are hazardous and must be kept out of reach of children at all times, whether the battery is new or used. If it is suspected a button/coin cell battery has been swallowed or placed inside any part of the body, seek medical attention immediately or contact the Australian Poisons Information Centre on 131126 for 24/7 fast, expert advice. These batteries can cause severe or fatal injuries in 2 hours or less if swallowed or placed inside any part of the body. Dispose of used button batteries immediately and safely out of the reach of children. A battery can still be dangerous even when it can no longer operate the device.