- Requires 2 x AA type batteries to operate motor. Battery is not included. - Requires 1x CR2025 Lithium cell to operate remote controller. Cell is not included. - Light weight: 0.4 pounds. Small dimension: Length 9 cm x diameter 5.5cm. - We do recommend this product be used indoors. -The photo of remote controller on packing box maybe not exact same as real item. -Fonmy offers 1 year warranty on its products for worry-free purchasing. About FONMY FONMY is a top original designer and manufacturer specializes in gift and craft products with high quality and excellent service for patio, lawn, garden and home decoration. FONMY dedicates to consistently provide the people around world the high qualit merchandise with Fashionable brand new Original and Natural style to emerge Magical visual effect and present soul joy, and helps people to fulfill their beautiful Yearning of making life better.