ITEM NAME:Digital Atomic Wall Clock, Desk Alarm Clock, Battery Operated With Wireless B8C4 Digital Atomic Wall Clock, Desk Alarm Clock, Battery Operated With Wireless B8C4 Wall Clock Receiving WWVB(RCC) radio wave signal to adjust time according to the time zone. Updating daylight saving time automatically. LCD Large Screen Display Equipped with 7.5 inch screen, It tells the time, date, day, indoor/outdoor temperature value accurately and clearly. Clock can be hung on the wall or placed on the desk. Battery Operated and Easy to Set The clock and the wireless sensor work with 2 x AA Cell batteries (NOT Included). The operation is so simple that the instructions can be set aside. Color: silver + gray 1.Self Set Atomic Time. Automatic self sets your time to your adjusted US time zone giving you the most accurate time! Adjustable view in standard 12 hour or 24 hour time. 2.Indoor and Outdoor Temperature Monitor The Wireless Sensor have 300ft/100m remote Range, with strong signal penetration thermometer monitor gauge. 3.Calendar Display the Day, Date, and Weekday. 4.Wall hang or Stand Alone Hang onto a wall or place onto a table to use alarm feature. Fold-out leg stands allows to be used onto desk or nightstand. 5.Alarm with Snooze 5 minute snooze alarm time. Alarm icon shows when it's activated. 1.Power Supply: 2 x AA batteries (Batteries not included) 2.Material:ABS 3.Dimension: 9.25 x 6.5 x 1.2 inches 4.Weight: 1.1 pounds 5.Indoor Temperature Range: 32~122 ℉ 6.Outdoor Temperature Range: -4~158 ℉ Package include: 1 x Wall Clock (Receiver) 1 x Wireless sensor (Transmitter) 1xUser Manual Note: 1.The LCD screen is fragile, please check the item as soon as you receive it. 2.When the signal is weaker to distinguish the correct signal, the tower part will be blinking and the arc antenna part will not be shown on the screen. 3. If the outdoor temperature do not work, you can press the "TX" button on the sensor for 3 seconds, which will sync the outdoor thermometer. Only the a