... (5 years) 3.Simple installation 4.Wide applications proximity sensor switch Work Theory: When the magnet is reach the magnetic reed ... output contacts on- Application:Security alarm, air bag , seat belt, switch on for fridge, mobile phone, laptop, and so on.If ... with flange2.Self-adhesive and screw mount3.16 inch (40cm) side leads with AWG #224.Magnet: NdFeB5.Color: white, brown6.Loop ...