In an electronically operated bell-type alarm clock, the bell is rung by an electromagnetic circuit with an armature that turns the circuit on and off repeatedly. In some models, the metal cover at back of the clock itself also functions as the bell. Traditional mechanical alarm clocks have one or two bells that ring by means of a mainspring that powers a gear to quickly move a hammer back and forth between the two bells or between the internal sides of a single bell. Most modern televisions, computers, mobile phones and digital watches have alarm functions that automatically turn on or sound alerts at a specific time. A progressive alarm clock can have different alarms for different times (see next-generation alarms) and play music of the user's choice. Additionally, some alarm clocks can set multiple alarms. Many alarm clocks have radio receivers that can be set to start playing at specified times, and are known as clock radios. Alarm clock functions are also used in mobile phones, watches, and computers. A classic analog alarm clock has an extra hand or inset dial that is used to show the time at which the alarm will ring. To turn off the sound or light, a button or handle on the clock is pressed most clocks automatically turn off the alarm if left unattended long enough. Some have sensors to identify when a person is in a light stage of sleep, in order to avoid waking someone who is deeply asleep, which causes tiredness, even if the person has had adequate sleep. Most alarm clocks make sounds some make light or vibration. The primary function of these clocks is to awaken people from their night's sleep or short naps they can sometimes be used for other reminders as well. A micro-USB cable and mains adaptor are included.A traditional wind-up (key-wound), mechanical spring-powered alarm clockĪn alarm clock or alarm is a clock that is designed to alert an individual or group of individuals at a specified time. The display remains permanently active if you leave the unit connected to the mains. You can reactivate the display by touching it or by making a sound. To save energy, the display slowly switches off after 7 seconds. In battery mode, the runtime without night light is about 15-20 days. The digital alarm clock can be charged very easily and efficiently via a micro-USB cable. And if you want to start your day later at the weekend, you can set two different alarm times. There is always time to wake up with the practical snooze function. Time to get up? One of the three volume levels is sure to be just right for you. Set the duration between 5 and 60 minutes. Or you can use its automatic timer and the light will switch itself off. Simply dim the built-in night light continuously to your liking. Others, for example, need orientation when going to the toilet at night. Children, in particular, like a night light when they fall asleep. Light conditions are also a feel-good factor. After all, it's easy to sleep in the right atmosphere. The integrated thermometer measures your room temperature and ensures a pleasant climate in your bedroom. But you can also conveniently read the date and day of the week. The focus of the generous display is, of course, the time. You can use the alarm clock in mains operation or on battery power. With its matt lacquered housing and modern, rounded shape, it cuts a fine figure on any bedside table. This digital alarm clock is astonishing with its many features and setting options, including its integrated night light.
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