Made of high-quality materials, durable, firm, and stable for reliable use. Vintage-style HIFI microphone pre-amplifier. Adjustable sound volume, compatible with most camera modules. Microphone module only; accessories shown in images are not included. Item Type: Microphone Module Working Voltage: DC 9–12 V Frequency Range: 200 Hz – 10 kHz Monitoring Area: 100 m² Transmission Distance: 1000 m Material: PCB + PC + Plastic Length: 130 mm (5.1 inches) Note: 1 cm = 10 mm = 0.39 inches Due to manufacturing variations, appearance may differ slightly between batches—this does not affect functionality. Color: As shown in image Package Includes: 1 × Microphone Module Note: Lighting conditions and screen settings may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.