45 in 1 Sensors Modules 16 Kinds Starter Kit For Arduino Raspberry Pi , Better Than 37 in 1 With Box DIY UNO R3 MEGA2560

High-concerned chemical：None Theory：Hall Sensor Material：Mixture Type：vibration sensor Output：Switching Transducer Origin：Mainland China Use：Humidity Sensor

High-concerned chemical: None Theory: Hall Sensor Material: Mixture Type: vibration sensor Output: Switching Transducer Origin: Mainland China Use: Humidity Sensor