Gift clock-- this size of this projection clock is compact, this digital alarm clock is easy to carry on and store. Clock for bedroom-- with the practical function, you can set 2 sets alarm clock to remind you, and they can be turn on and off separately. Digital alarm clocks-- dual power methods: it supports USB power and aaa. this alarm clock has a time memory function when using aaa; when powered USB alone, there is no memory function after power off. note: the screen will not always be on when the aaa provides power instead of the plug mode. Home alarm clock-- this alarm clock is applicable to a variety of scenes, such as bedrooms, office,. Digital alarm clock-- the buttons are simple and easy to set up, making them ideal for the elderly, children and heavy sleepers.