Alarm clock

The utility model provides an alarm clock. The alarm clock comprises a shell, a movement, a booster circuit and a lamp bead, the shell is provided with a battery bin used for containing a battery, the movement and the booster circuit, the battery bin is connected with the movement, and the battery bin is further connected with the lamp bead through the booster circuit so as to supply power to the movement and the lamp bead at the same time. And the lamp bead is a light-emitting element of which the working voltage is greater than that of the battery. According to the utility model, by using the booster circuit, on the premise that the power supply voltage is not increased, the single dry battery can meet the use requirement of the alarm clock movement, and can also meet the working voltage of the lamp bead for illumination, so that the product cost performance of the alarm clock is improved. 本实用新型提供了一种闹钟。闹钟包括壳体、机芯、升压电路和灯珠，所述壳体设有用于容纳一粒电池的电池仓、机芯和升压电路，所述电池仓连接所述机芯，所述电池仓还通过所述升压电路连接所述灯珠从而同时给所述机芯和所述灯珠供电，所述灯珠为工作电压大于所