Label: Yes Specifitions: Item Name: Single USB charger socket 5V 2.4A Material: Fireproof Plastic Input voltage: DC 12V/24V USB output: DC 5V-2.4A USB Port Cover: Built-in Working temperature: -40.C more→+80.C Output interface: Single USB port Applicable charging range: Mobile phone, tablet, USB device Product size: 1.8*2.9*3.3cm Wire Length: 12cm Connection: Red line to Positive+, Black line to Negative- Applicable for 12V-24V Car, Boat, Marine, RVs, Bus, motorcylce, etc. Features: 1.Single USB fast charging ports, 5V 2.4A output. 2.Made of high quality fireproof PC material, safe and 3.Built-in smart charging chip, multiple charging protection. 4.Easy to instal. Package included: 1 x USB