Description: Photosensitive buzzer alarm sensor module Using the sensitive type photosensitive resistance sensor Receive Sensor Optional?Photoresistor or Photodiode After induction light, the buzzer sounds Module Power Supply 5-12V, with bolt holes for easy installation Size: approx. 40 x 20mm Package Includes: 1 Piece Photosensitive Buzzer Sensor Module Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference. Thanks !
