Looks like a really good deal for good quality LED bike light. RRP £44.99 next best price I found was £35.63. But yes you can buy lights from poundland or halfords but they are not the same, are they?
"1 x 1W High Power LED. 15 year Illuminated bulb life. Equivalent to 9W Halogen. Includes Universal Q/R mount that will fit almost any handlebar. Weight: 182g (including batteries)"