90-degree observation mirror for corners, corridors and blind spots The 90-Degree Observation Mirror is a quarter-hemisphere corner mirror for indoor use, designed to cover blind spots where two walls or a wall and ceiling meet. Made from shockproof metallised acrylic rather than glass, it mounts into a wall or ceiling corner with pre-drilled fixing holes and comes in four sizes to suit different room sizes and viewing distances. Key features Full 90-degree field of view - one quarter-hemisphere mirror covers the whole corner from a single mounting point. Four sizes, 300mm to 490mm - viewing distances from 3 metres up to 6 metres depending on size. Shockproof metallised acrylic - lightweight and won't shatter like a glass mirror. Pre-drilled fixing holes - straightforward screw-mount installation with basic tools. 2-year guarantee against manufacturing faults. Made in the UK. Where it is used Retail aisles, stockrooms and till points Warehouse and distribution corridors Hospital and hotel corridors and stairwells Office and public building entrances Sizes and viewing distance Each size gives a different maximum viewing distance, so pick the mirror to suit the corner and the distance you need to see across: 300mm - up to 3 metres 400mm - up to 4 metres 420mm - up to 5 metres 490mm - up to 6 metres Specification Specification Detail Shape Quarter hemisphere (90-degree) Sizes (width x height) 300mm / 400mm / 420mm / 490mm Depth 240mm / 330mm / 360mm / 400mm Weight 2kg / 2.5kg / 3kg / 3.5kg Max viewing distance 3m / 4m / 5m / 6m Material Metallised acrylic glass Fixing Corner wall or ceiling mount, pre-drilled holes Use Indoor use only Guarantee 2 years against manufacturing faults Origin Made in the UK