... life time 2. Date 24-hours 3. Shows time\calendar\temperature\alarm clock function 4 ... ABS2. Water power work display: time ,date ,temperature .3. Special materials (wine,vinegar, ect)with water can supply the ... colors: green, blue, black, silver, red4. Long life 3 years. No need to replace the battery.5. Widely used ... normally2. Add water to a general can use 5-7 weeks3. Set the date and time:In normal ...