Youll always have a light with the true utility locklite it attaches to the top of your key in three easy steps to provide night time safety and make that difficult task of finding your key hole in the dark so much easier features easy use rubber push button simple power saving onoff method fits most round ended keys 420 stainless steel and rubber button dimensions l26 x w27 x d11mm weight 11g weatherproof hard case included fits most mobile phones 11 x 6 x 2cm