Home > Electronics > Arduino Compatible SCM & DIY Kits > Smart Robot & Solar Panel
Specifications Thickness: 2.8-3.1mm Inner diameter: 19mm Fixed hole diameter: about 3.8MM Center distance of 2 fixing holes: about 14.2MM Material: transparent acrylic Suitable: fixed ultrasonic sensor module / HC-SR04 ultrasonic ranging module and other products Quantity: 3 Note: *Please allow 1-3CM differs due to manual measurement. Package Included: 3 x Fixed Bracket