1.96 inch mini alarm clock, retro mechanical manual metal clock with hanging chain, silent soft wake-up digital clock for kids bedroom time management heavy sleepers aunmas specification:<br><br> material :metal,wrought iron <br> battery:1*lr44 battery (included) <br> size:5cm/1.96inch in diameter <br> optional color:black,green<br> package list: <br> 1 * alarm clock <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br>