Friends, the adapter can't be higher than 1.5a, otherwise the light will not work. 1.Material:Plastics 2.Color:Black,White (As shown) 3.Size:L- 19.00 x 13.00 x 8.00 cm / 7.48 x 5.12 x 3.15 inches; (L x W x H) S- 12 x 8.5 x 7.5cm (L x W x H) 4.Package Contents:1 x Mosquito Lamp, 1 x USB Line 5.Rated voltage: L- 5V；S- DC12V 6.Rated power: L- 5W；S- 7W 7.Use range: 20㎡- 50㎡（Large） 20㎡- 40㎡（Small） Note: Due to hand measure, the size may have 1-2 cm error Due to Different Monitor, the color may have difference Due to long shipping, the item may damage in transit.