1. Speaker diameter: 40mm2. Frequency response: 20-20000Hz3. Sensitivity: 110dB+/-3dB4. Wire length: 2m5. Working voltage: DC5V6. Working current: about 100mA7. Detachable
1. 1080P HD camera, 2MP sensor, fast autofocus and high sensitivity.2. High precision, smooth picture without distortion. Restore high-resolution video