• Digital Quartz Clock 数位石英时钟 • Buzzer Alarm 蜂鸣式闹铃 • Snooze System (every 5 minutes x 7 times) 贪睡闹铃（5分钟响铃一次，共响铃7次） ..
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The Buzzer Alarm 蜂鸣器报警
With Buzzer Alarm 含蜂鸣器警报
infrared alarm buzzer 红外报警器
Buzzer As Alarm Equipment 蜂鸣器作为报警器
alarm buzzer on car roof 轿顶报警器
alarm buzzer 警报器
alarm m buzzer 警报器
alarm buzzer socket 告警蜂鸣器插座
When the ultrasonic distance between the module and the obstacle exceeds the upper limit or lower limit, the buzzer alarm.
当超声波模块与障碍物之间的距离超过设置的上限值或者下限值时，蜂鸣器发出报警。
Can also set the warning temperature value, when the acquired temperature exceeds the warning set value, the drive buzzer alarm.
还能够设置温度预警值，当采集到地温度超越设置地预警值时，驱动蜂鸣器报警。
Features time range of 60 minutes by minutes and seconds, 8-in dial with two sets of Numbers (use inner circle of small Numbers as stop clock) and selective automatic buzzer alarm.
时间范围在60分钟，8英寸刻度盘，两排数字(停止时使用内圈的小数字)和可供选择的自动闹钟。
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