ELPA Mini Blacklight Wattage: 4W Compatible Lamp: FL-4BLBH Fixture Length: Approx. 16.6 cm, Width: Approx. 4 cm Batteries Used: 4 AA batteries (sold separately) ☆The included hand strap is not present. There is no packaging. Only the backing card is included. It is not unused. It was used once for a child's experiment, but there are no noticeable scratches. Please refrain from purchasing if you are looking for a brand new, unused item. ☆Please be sure to check the condition of the main unit in the photos. ☆The light has been confirmed to turn on. ☆Usually ships within 2-3 days. 　However, shipping is not available on Saturdays and Sundays. 　If purchased from Friday afternoon to Sunday, 　it will be shipped on Monday. ☆We do not create "reserved" listings. 　Please purchase when you are able to.