Catalog > Internet of Things (IOT) Related Products > More Platforms Obstacle Avoidance Sensor Module Obstacle Avoidance Sensor Module HKD IR SENSOR SWITCH MODULE Obstacle Avoidance Sensor Module. IR Infrared Sensor Switch Module with 3.3~5V Range and Working Range of 2~40cm 29.74 ZAR inc for 1 Each 16 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Working Voltage : DC 3.3V-5VWorking Current : ≥ 20mAOperating Temperature : -10 °C - +50 °CDetection Distance : 2-40cmIO Interface : 4-wire Interfaces (- / + / S / EN)Output signal : TTL level (low level there is an obstacle, no obstacle high)Adjustment : Adjust Multi-Turn ResistanceEffective Angle : 35 °Size : 28mm x 23mmWeight Size : 9g