Historical clue formulations

• One of many on a self-driving car — 2025-07-08
• Motion detector, e.g. — 2023-01-20
• Home security component — 2021-05-12
• One picking up speed, say? — 2014-03-01
• Home security system component — 2013-08-25
• Part of a security system — 2012-01-15
• Motion detector, e.g. — 2011-05-17
• Heat detector, e.g. — 2010-03-22
• Electric eye, e.g. — 2008-11-24
• Security system component — 2008-07-20
• It might set off a light — 2007-11-15
• Motion detector — 2003-02-27
• Security system part — 2003-02-23
• Security system part — 2002-11-03
• Security system part — 2002-06-29
• Electric eye, e.g. — 1999-03-30
• It picks up readings — 1997-07-14
• Part of an electric eye — 1996-05-17
• Detecting device — 1995-11-19
• Device connected to a control panel — 1995-08-12
• Security device — 1994-08-13