Its features include solar power, 4 strong vibrating alarms, ana-digit movement always synchronizes analog hands with LCD time, calendar on LCD (Time, Day, Date, Month), and language selection English/German. It is solar powered so light charges a rechargeable battery. While using a light to charge the watch make sure the watch is 3 inches away from the bulb. In direct sun it will take 60-80 hours and if using a strong fluorescent lamp it will take 100-120 to go from low to high battery.
BATTERY: rechargeable battery.