<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p>Features:<br/>1. Four display modes: time, temperature - temperature, time - date - week, time - temperature - date - week<br/>2. Light control brightness: Intelligent sensing environment brightness adjustment digital tube brightness, night use is not blinding<br/>3. Two sets of alarm clocks: you can turn on/off two sets of alarm clocks at the same time, or turn on/off a set of alarm clocks individually.<br/>4. Stopwatch: record seconds and minutes. Countdown: timed prompt function, countdown time to, vibration or ringing prompts<br/>5. Portable: can be powered by USB plug-in or rechargeable lithium batteries<br/>6. Power-saving mode: with lithium batteries to reduce standby power consumption, longer life time<br/>7. Vibration ringer: vibration motor and buzzer used in conjunction with the countdown and alarm clock can be turned on at the same time ringing and vibration effects, but also can be individually turned on or off a particular effect</p><p>Parameter:<br/>Operating voltage: DC 5V/14500 lithium battery power supply (shipped without battery)<br/>Interface: DC 3.5*1.2mm<br/>Case size: 80*51*33mm<br/>Circuit board size: 73*44mm</p><p>Package include:<br/>DIY Kit*1<br/><br/></p></div></div><p><br/></p>