Ajax Wireless Security 12V PSU for Hub 2//https://ajax.systems/products/12vpsu-hub2/Compatibility: Hub 2Input voltage: 8-20 V DCOutput voltage: 4.8 V ± 3%Switch-on voltage: 8 V ± 2.5%Switch-off voltage: 6.9-7.5 V (depending on load)Input current: mai mic de 1 АOutput current: 1,5 АConnection: Socket: 6,5 ? 2 mmPlug: 5,5 ? 2,1 mm (power jack)