HC-SR04 FCL Ultrasonic HC-SR04 Module Sensor Mounting Fixed Bracket for HC-SR04 Car Transparent Thickness :2.8-3.1mm Inner diameter: 16mm Fixing Hole Diameter: 3.8MM Application: Stationary ultrasonic sensor modules and other products For the Ultrasonic HC-SR04 Module Sensor CLICK HERE https://elecena.pl/product/16455078/ultrasonic-hc-sr04-module-sensor-mounting 2020-04-14 https://elecena.pl/product/16455078/ultrasonic-hc-sr04-module-sensor-mounting 2020-09-01 https://elecena.pl/product/16455078/ultrasonic-hc-sr04-module-sensor-mounting 2021-03-02 https://elecena.pl/product/16455078/ultrasonic-hc-sr04-module-sensor-mounting 2025-07-09