Britax Multi Tech III The new Britax Multi Tech III enables extended rear facing from 9 kg up to 25 kg, with the option for forward facing installation. Despite the tall seat shell and long rear facing time Multi Tech III fits nicely in normal mid size cars. Offering even better protection for your child, the Multi Tech III now features SICT for superior side impact protection. Deep Protective side wings, performance chest pads that provide comfort and additional safety. The adjustable headrest and harness, and adjustable width positions allow the seat to grow with your child. Angle of installation is quickly changed by adjusting plate underneath car seat. Installation with car 3 point seat belt. Rear Facing with harness: 9 - 25kg Forward Facing with harness: 9 -18kg Forward Facing with car seat belt as a High Back Booster: 15 - 25kg Measurements: H: 62 - 72cm, W: 45cm, D: 48cm Weight: 10.5kg Vehicle Fit List Instruction Manual Vehicle List for checking fitting compatibility with your vehicle Instruction Manual for installation and Britax Multi Tech III car seat information