请选择 型号/数量
?五功能:月、日、时、分、秒(5 functions:month、date、hour、minute and second)
?直接驱动31/2位液晶(Directly drive a standard 3.5-dight multiplexed LCB)
?32.768Hz晶振(Normal display and alternate display)
?显示可切换(Normal display and alternate display)
?1.5V供电(Single 1.5V battery operation)
?SG9199-01 设定小时或分钟时秒针点不闪,上电接任意启动
?SG9199-02 设定小时或分钟时秒针点闪,上电接任意启动
SG9199-03 设定小时或分钟时秒针点闪,有全显功能(上电启动