Features: 1) Simply plug the charger into the car cigarette lighter socket to charge the mobile phone 2) LED charging indicator 3) Short circuit protection 4) Automatically switches to a suitable input voltage range 5) Maintains constant voltage when charging 6) Never overheats or overcharges the battery Specifications: 1) Input voltage: DC 12 - 24V 2) Static current: 5mA 3) Surging frequency: 100Hz 4) Input current: 300 - 500mA 5) Working temperature: <40oC Inner packing: blister card, poly bag Outer packing: 100pcs/ctn Carton dimensions: 450 x 420 x 350mm N.W.: 8kg G.W.: 9kg Origin CHINA Supply ability 24,000pcs/day