Temperature range (the temperature inside the car): 0~40'C; Input voltage: DC 12V; Output voltage: DC 5V; Special design port with voltage display; Perfect for MP3、 MP4、 camera、 smartphone、 Tablet PC、 etc.
Dimensions: 2.17 in x 1.61 in x 0.83 in (5.5 cm x 4.1 cm x 2.1 cm) Weight: 1.29 oz (36 g)