Instant purchase OK Casio Radio-Controlled Wall Clock / Desk Clock IDL-140J Radio-controlled wall clock "Environmental Information Clock" Displays date, day of the week, humidity, and temperature. Can be hung on a wall or used with a stand. I bought it but never used it, and it has been stored in a dark place. I have confirmed the operation of radio wave reception, etc., with batteries on hand before listing. There are no accessories such as a box or instruction manual. Functional Items Body size (H x W x D) mm 185 x 260 x 23 Body weight 570g Frame material: Resin Batteries used: 2 x AA batteries Battery life: Approximately 1 year Accuracy: Average monthly difference ±30 seconds (when not receiving radio waves) Volume adjustment: None Light sensor stop function: None IDL-140J #Casio #RadioClock Function: Radio clock Display type: Digital