Made of high-quality materials, durable, firm, and stable for reliable use. Vintage-style HIFI microphone pre-amplifier. Adjustable sound volume, compatible with all camera modules. Microphone module only; other accessories shown in the image 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 inch Due to variations between production batches, appearance may differ slightly; this does not affect functionality. Color: As shown Package Contents: 1 × Microphone Module Note: Light reflection and differences in display settings may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.