Operating Voltage: 3.3~5V Average Current: Less than 15mA Blind Zone:0- 28cm Detection Range (Flat Object): 28-750cm Response Time: Greater than 100ms Probe Center Frequency: 40K±1.0KHZ Operating Temperature: -15~60℃ Storage Temperature: -25~80℃ Sensing Angle: with bell-mouth: 55º without bell-mouth: 40º Waterproof Grade: IP67 type:RS485 Colour:black Material:plastic Package Contents: 1 x Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.