Power supply used: Alkaline AA x 2 (sold separately), solar auxiliary power supply
[Radio clock] Receives radio waves periodically and informs you of the accurate time.
[Alarm] Electronic sound alarm. Snooze function, auto-stop function (it will automatically stop if you leave the ringing alarm for about 5 minutes)
[Light] Press the button on the top of the product, the light will illuminate the dial. Easily check the time even in a dark room.
[Temperature/Humidity Display] Comes with a convenient temperature/hygrometer that allows you to constantly check the room environment. [Calendar display] With Rokuyo display.
[Battery life] Approximately 5 years. No need to replace batteries frequently.
Uses solar auxiliary power source, battery life is approximately 5 years. Calendar display. (Program until December 31, 2099) Temperature display. (-9.9 to 50℃) 12-hour (morning/afternoon)/24-hour display switchable. Main display switching function for time and calendar. With backlight function. The alarm is a 4-tone electronic sound. (Snooze function that sounds again even if you stop it)
Dimension: ‎5.3 x 15 x 8.1 cm