NEW2-961请勿打扰,请即清理门铃开关，一款用义隆单片机设计的带时钟显示的产品，有时钟芯片和可充电池，维持掉电继续保持时间-NEW2-961 do not disturb, please clean up the doorbell switch, a clock with Elan microcontroller design, the clock chip and rechargeable battery to maintain power-down to keep time