Description:High sensitivity vibration sensor module Power supply indicator lamp Comparator output indicator lamp AO, real-time vibration switch output on high / low electric level DO, signal output after comparator adjustment Driving Current: 16mA Power Supply: 3-15 V DC Hole Diameter: Approx. 3mm Size (L x W): Approx. 36 x 16mm Note: Please take note that we have 2 different kinds in stock and the colors are different. (Please refer to the pictures) We will send one kind at random. Package Includes:1 x vibration sensor module