Functions: Top LCD indicator. Bi-directional function (could enter from both end). Fail safe, which means the flap wing) will be opened when power off (or fail secure, which means the arm will be closed when power off ) . Auto-close function, which means the flap(wing) will be closed after openning when legal time is over if no one pass by. Anti-clamping, which means the flap(wing) will be remained opened if a people standing in the middle of the two flaps until (s)he leaves. Tail-after alarm(customized, using infrared detector) Notice, the two objects passing through interval in between should exceed 1 second(default) otherwise the gate would regard these two objects belong to one person, because people are easily taking big luggage together with when they are traveling. Tail-after alarm default time could only be set up in factory. Wrong direction access alarm, which means gate will alarm if a person tries to enter from left direction when another person presents an authorized card(or any other authorized signal) from the right direction, and vise versa. Illegal invasion alarm, which means the gate will alarm if a people tries to invade when (s)he doesn't present an authorized card(or any other authorized signal). Dimensions: 1200x1000x300mm Wing width: 300mm Cabinet material:304# stainless steel with thickness 1.2mm Packaging weight: 85Kg/ 187Lbs Net weight: 55Kg/120Lbs Wing material: Acryli Surface process: brush finished Power requirement: AC220V 50Hz Specification: Working temperature: -30°c~60°c/-22°F~+140°F Working humidity: 5-95% Maximum width for a passage: standard 700mm.