... -24V. 2.current :0.5-5A 3.alarm,anti-theft,burglar,charging 4.certificate:ROHS, REACH specification1. Perfect accessory for travel.2 ... hours.8. With PU cable.9. Short-circuit protection, Over-current protection, Over-voltage protection.10. good workmanship and high quality ... ) Product name Buzzer alarm display for cellphone Model YM5044 Input voltage 12-24V Output voltage 12-24V Current 0.5-5A Payment 1 ...