This night light creates a safe, soft and comfortable sleeping environment for your kids. This is also a projector lamp that children will like best. It can be used in our rooms such as bedrooms, bathrooms, kitchens, reading and outdoor activities. Therefore, you can use this night lighting lamp indoors and outdoors, share wonderful moments with our family or friends. It can be used as a beautiful and practical gifts for children, family and friends. We believe that they will like this exquisite and practical gift very much. The package includes: 1 x night projector lamp 3 x slide shows (universe, ocean world ,birthday) 1 x USB cable with 47in 1 x instruction manual 2x lamp covers (frosted & high definition) 1 x service card 1 x exquisite package. Product properties: 1. Material: PC 2. Product weight: 0.77 lbs 3. product size: 5.9 x 5.9 x 6.7 inches 4. lighting: two light sources, two lamp housings ( HD and opaque ) 5. Living: over 100,000 hours 6. Certification: FCC & CE & ROHS 7. The input voltage: DC 5V=500MA 8. Rated power: 5w 9. Standby time: 24H 10. Usage: night lights for kids, projector lamp, night lighting lamp for reading, home decoration, bedroom, sleeping lights, camping lamp, climbing light, children / girlfriend gift, etc. Please note that : Do not use rechargeable batteries. Do not mix old batteries with new batteries. Insert the battery with the correct polarity. It is not recommended to use both batteries and USB power supplies.