Specification:
- High quality PV material Water powered No Battery Required Daily Alarm 24 hour
- Unit Size: 106x104x91mm (4.18x4.1x3.59Inch)
- Unit Weight: 155g / 0.35lb

Adavantage:

1.Green,protect environment,water is the power.Only add water into the thing will drive about 1 months.
Never use lithium battery again,leave our descendant the beautiful earth.
2.The most cheap alarm clock cost :because you don't have to buy battery again and again.
3.The most healthy alarm :still use your phone for alarm ?Please be far away from the radiation for your health.
4.The smart clock :when the letter on screen fade ,means you have to change the water to gain new power .
5.The most scilent alarm :No tick-tack ,let you have a nice dream.
6.The most smart clock:show thermometer everyday ,especial for baby home.
7.The most creative clock :you can put some flower or other plants on water at the same time.