FEATURE USB charger output to 5V/500ma, suitable for cellphone,gps,and PDA. Twin socket with 12V/24V output. A fuse is included with the product Performance explanation Input voltage DC 12V/24V Output current Max.DC5A USB Output voltage/current DC5V Max 5.4V/500 ma Total output power 60W Working conditions temperature 0°C 60°C Relative humidity 5% 70% product weight: 90g product size:0.66"*3.93"*3.14 100PCS/CTN CTN Size:17.3"L *13.3"W *19.3"H Ctn Weight:21lbs