This intelligent automatic dual power transfer switch with LCD dispaly screen and has the direct current 12/24/48V, AC 110 V 220 V auto distinguish function, this switch is beneficial to solar or wind system. If you are interested in this product, come and have a try! Features: Auto Distinguish Function: This ATS supports direct current 12/24/48V and AC 110 V/220 V auto distinguish, you can set the cut-off and recovery voltages according to your needs. LCD Display Screen: This transfer switch adopt LCD display screen and real-time display battery voltage, working status of public power. Great for Solar&Wind System: After install this intelligent switch, it will automatically switch over to grids power on a cloudy or windless day when your batteries become low. Upgrade Performance: The max.power up to 1.1kw, inverter transfer to public power ≤10ms, public power transfer to inverter ≤16ms. Dual Power Transformer: When the battery voltage is below the cut-off point, the ATS controller will switch to grids power, and when the battery voltage is above the recovery point, it will switch back to battery power. Specifications: Material: plastics Rated power: 5.5kw/11kw Input Voltage: Auto distinquish AC 100-120V or AC 220-240V Output Voltage: Auto distinquish AC 100-120V or AC 220-240V Transfer time: inverter transfer to public power ≤10ms public power transfer to inverter ≤16ms System voltage: Auto distinguish: 12V, 24V, 48V BAT. Low Cut-down: Default 11V/22V/44V, adjustable BAT. Low Recovery: Default 13.5V/27V/54V, adjustable Package size: 250 * 200 * 80mm / 9.8 * 7.9 * 3.1in Package weight: 1362g / 3.0lb Packing list: 1 * Power Transfer Switch