Remove all the hassle with self-setting time control by radio frequency in La Crosse Technology's Atomic Analog clock. Signal is updated automatically for Daylight Savings! This clock is accurate to the second and with large viewing numbers you wont have any problems checking your time!. Atomic Self setting time with Manual Setting. Automatically Updates for Daylight Saving Time (On or Off Option). Single button operation. Glass lens with metal hands. 4 US time zone settings (PT, MT, CT, ET). Requires 1 AA battery (not included). ⚠ WARNING: This product can expose you to chemicals including acrylonitrile, 1,3-butadiene, and styrene, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to: www. P65Warnings. ca. gov. . Atomic analog style 12" Oak Wood in cherry finished wall clock offers convenience of self-setting time and automatic resets for Daylight Savings time.