ALPHA GC-181GAMING CHAIRSLumbar SupportClass 4 Hydraulic PistonAngel Transfer:135-180 DegreeMaterial:PU LeatherSize:65*54*122cmHeight Adjustable Range:122-129cmArmrest:2 DirectionColor:Red,Green,BlueALPHAGC181GAMING CHAIRPERFECTLY ERGONOMICPerfectly contours to the shape of your back, so you can game for hours on end.2DArmrestsDesigned to be perfectly comfortable and adjustable. Made from a soft yet durable material, for pure comfort.Multi-Functional Tilt MechanismThe multi-functional tilt mechanism gives you full control over the suspension of the chair, The ALPHA can be locked while in a tilt position, or even be tilted backwards in an upright position.Class-4 Hydraulic PistonsALPHA features Class-4 Hydraulic Pistons, ensuring stability, consistency and safety. True worry-free gaming.Head & Lumbar PillowIncludes a premium neck pillow to support your neck and spine while gaming.Smooth CastersOur chairs are equipped with durable PU wheels ensuring smooth movement in all directions and while being friendly towards most of the floor surfaces.Premium Durable Steel BasePremium steel base, capable of withstanding even the harshest of environments.DesignTypeGaming chairSizeMRecommended Height & Weight145-165cmHead & Neck Support PillowAdjustableLumbar Support PillowPVCSeatbaseAdjustablePistonClass 4Base MaterialSteelWheel MaterialPUReclineYesTilt MechanismYesTilt LockYesTilt AdjustmentYesHeight AdjustmentYesDesignPackage Size83*65*32cmWeight(approx)22KGBox ContentPillowAlpha GC181 , User manual