Britax King Plus Car Seat Specification.. On top of its excellent tensioning system and easy installation the KING plus features the Click and Safe Mechanism, giving complete peace of mind that the harness is tightened safely. Features: Five-point safety harness with one pull adjustment click and safe audible safety system indicates when the harness has been tightened sufficiently Seat belt tensioning system for maximum safety Side impact protection with deep, softly padded side wings Performance chest pads 4 recline positions Easy installation with tilt forward seating area Extra Large seating area to accomodate the growing child Softly padded abd washable covers Group 1 for children from 9kg -18kg (9m - 4yrs) Harness Retainers Ventilation channels in the back area to help air circulation Quick-remove and replacement cover without interfering with the harness Height adjustable headrest and harness allows easy single handed adjustments from the front Spec: Adjustable Harness: Yes Age Range: 9mth-4yrs Base: No Belt Tensioner: Yes Body Support: No Dimensions: H 67cm x L 49cm x D 50cm Front / Rear Facing: Front Head Support: Head Pad Isofix: No Recline Positions: 4 Side Impact Protection: Yes Washable Cover: yes  Weight: 10.1kg