CASIO digital wristwatch with alarm, stopwatch, and light functions. - Brand: CASIO - Model Name: ALARM CHRONO - Functions: Alarm, Stopwatch, Light - Battery Type: Lithium - Water Resistance: WR (Water Resistant) This is a used item. I haven't tested the alarm, so I'm not sure if it works. I bought it because I was told it was rare (lol). Thank you for looking.