up for your consideration >>> Ion Science TIGER LT Portable Gas Leak Detector - new open box! ~ upon powering up & testing the l.e.d. screen becomes intermittent & not sure if this is ok or if there's an issue?? ~ the actual instrument (sniffer) seems to power up fine & all other alarm lights seem to be accurate! ~ we cant justify this being broken as for it has never been actually used! ~ please feel free to ask any question's! ~ sold as-is for parts or repair only so please buy accordingly! ~ thanks for looking & for your interest!