RIDGID 40623 Microphone CA-300 Headset. Ridgid has large lineup of compact handheld inspection cameras. These Cameras provide users with the ability to easily find cracks and breaks in small, hard to reach areas. These Cameras feature pistol-grip designs, large screens, aluminum camera heads and with bright LEDs for optimized diagnostics. The RIDGID 40623 Microphone CA-300 Headset is a genuine replacement part manufactured specifically for CA-300 Inspection Cameras. This RIDGID 40623 Microphone CA-300 Headset is fully covered under RIDGID's 3-year limited performance warranty and lifetime warranty to be free of material defects.