https://www.jpcorry.com/jp-corry-products/loft-light-led-ultra-bright/
Loft Light-LED Ultra Bright
Description
The Loft Light is an ultra bright, battery powered LED light bulb that illuminates a loft instantly.The Loft Light requires no electrical wiring and can be screwed directly to any timber element in the Loft (roof truss, rafter, purlin or noggin). Utilising the latest in LED technology the Loft Light provides the equivalent illumination of a 32 Watt bulb with a battery life of up to 4 years. The Loft Light includes a 2m long pull string, reflective strip and screws for convenient installation and operation.