4 angle height adjustments to raise laptop screen to optimal viewing level Supports up to a 17Laptop or a maximum weight of 11.3kg Stabilising front edge prevents laptop from sliding off the unit Cooling vents help dissipate laptop heat Provides space for USB hub and easy Cable management Sliding feet let you move and access unit as needed without damaging surfaces Accredited against BS EN ISO 9241 by FIRA international, an independent Ergonomic Accreditor Specification: Height range: 8.8 -18.4cm Angle range: upto 30° FIRA InternationalTested by FIRA International Ltd to comply with the ergonomic requirements set out in European Health and Safety Legislation: EN ISO 9241-5. Design Certification FIRA International, EN ISO 9241-5 Maximum weight capacity 11.3 kg Maximum notebook screen size compatibility 43.2 cm (17") Product colour Black Material Plastic Product type Laptop stand Ergonomics Cable management Yes Tilt angle range 0 - 30° Height adjustment range 88 - 184 mm Height adjustm