The Electricians on the list,

Anyone know where I can get an in-socket electrical time (the type you replace the socket switch with) preferably a digital one?

Something similar to this:
http://www.amazon.co.uk/gp/product/B0041MG7UU/ref=s9_simh_gw_p23_d0_g23_i1?pf_rd_m=A3P5ROKL5A1OLE&pf_rd_s=center-2&pf_rd_r=1W79YCM09GSJ1JZ81DJ6&pf_rd_t=101&pf_rd_p=467128533&pf_rd_i=468294