Wall Clock - Rose. Quartz movement (1 x AA battery - not included). Time for ambiance. Instructions: Insert 1 piece of 1.5 V AA battery (not included). Ensure correct polarity (+/-). Turn the wheel on the back to set the time. Warning: Be careful with batteries! Leaked battery acid can cause burns. Avoid contact of battery acid with skin, eyes, and mucous membranes. In case of contact with battery acid, immediately rinse the affected areas with plenty of clear water and consult a doctor if necessary. Batteries (especially lithium batteries) can explode if handled improperly. Never attempt to charge batteries. Only use batteries of the same or equivalent type.