Gravity VGR-D900B Car Stereo 2 DIN Touch DVD Player AM/FM w/ Bluetooth + Camera
Gamma factor: 0.45. Built in radio turner. AM, FM, MPX stereo receiver with 30 presets. Bluetooth Built-in. Bluetooth function can pair with smartphone. Sensing area:4.08 x 3.12 mm. Sensitive to noise ratio; 55 dB.