Securitron AQD5-8F8R AccuPower 5A/3A at 12VDC/24VDC Power Supply, with battery charger/backup and supervision, a dual voltage switching power supply that uses any AC power source from 90-240VAC to provide up to 5 Amps at 12VDC or 3 Amps at 24VDC total output. This unit provides clean, steady, accurate output for best performance of access control equipment. It is field selectable dual voltage 5A/3A at 12/24VDC. This compact module is for smaller footprints. This universal transformer is compatible with most international power. It works in AC brownout down to 60 VAC. Faster battery recharging under full load. The automatic low-battery disconnect prevents deep discharge, maintains battery life. This well regulated and conditioned power board protected by PTC self-resetting circuit breakers for common conditions including: o Over current o thermal runaway o reverse battery hookup. The class 2 power provides limited output with a green LED status indicator.The fuse protects against surge for AC input and DC output. The SPDT Form C outputs for remote monitoring of: o AC failure o low battery. It's made in the united states, and it is UL and ULC listed.