1PC NEW Infrared CO2 MH-Z19B/MH-Z19C/CO2 detection sensor module #YT

10PCS NEW Red plate flame sensor module KY-026 sensor #YT

10PCS NEW SW-1801P Normally open vibration switch sensor module #YT

20PC NEW Vibration switch sensor module Vibration sensor KY-002

10PCS NEW 4-pin photoresistor sensor module Light detection photodiode #YT

10PCS Normally closed vibration sensor module alarm sensor switch SW-420 #YT

20PC NEW Vibration switch sensor module Vibration sensor KY-002 #YT

10PCS NEW KY-004 FOR Key Switch module KY-004 for electronics #YT