1-year manufacturer's warranty on the bulb, without limit on hours of use 5-year on the DLP chip Thanks to a special short-throw lens, the Acer S1386WH projects an image with native HD resolution and a diagonal of more than 2 metres at a projection distance of just 90 cm. Acer PIN Security allows you to prevent unauthorised use of the Acer projector with a custom PIN. A forgotten PIN can only be reset by Acer Service after confirmation of ownership.