▶Relative Humidity
  Sensor: Planar Capacitive Polymer
  Range: 0 to 100% RH

▶Temperature
  Sensor: Integral PTAT Silico... [more]

▶ Magnetic field sensor
Power input: DC 7V ~ DC 24V
Output port: AC 250V DC 9 ~ 50V
Rated current: 2A
Reception frequency: 5... [more]

▶Water flow sensor
Outer threads: 3/4 inch
Minimum Rated worlking Voltage: DC4.5 5V-24V
Maximum working current: 15 mA (DC 5V... [more]