WARNING! This product contains button cell batteries (LR1130) which are dangerous. If swallowed consult a doctor immediately. Different types of batteries (i.e. Alkaline and Zinc) or new and used batteries are not to be mixed. Only batteries of the same or equivalent type as recommended are to be used. Batteries are to be inserted with the correct polarity. Exhausted batteries are to be removed from the product. WARNING! The supply terminals are not to be short-circuited. Do not throw batteries into a fire. Batteries should never be left in the product when not in use for long periods of time. Non rechargeable batteries are not to be recharged. Rechargeable batteries are to be removed from the product before being charged. Rechargeable batteries are only to be charged under adult supervision. WARNING! This product contains batteries and electronics that may be harmful to the environment; they should not be discarded with normal household waste but taken to your local collection centre for recycling. Please retain this information for future reference.