Please note that, Only valid for K-frequency or KA-frequency, and it makes warning voices only when the frequency is same as above,and when there is a hidden speed traps.but no alarm sound will be iued when the frequency is different, so not every speed measurement point will work, please purchase with caution. Features: - Detect any stable or mobile radar speed monitor ahead.- Detect any traffic monitor or stable camera (around traffic lights) in advance.- Leading you to drive safely and avoid traffic fine.- ODM and OEM Technology Service for different places and customers.- English / Ruian voice warning, OEM language and voice are available.- Easy installation and control, available for independent installation and use.- Fully 16 bands receiver.- Two versions: English version / Ruian version.Specifications:OSD Language: English, RuianInterface: Mini USB, DC charging portSpecial Features: LED displayItem Type: Alarm system and securityType:Speed Control DetectorFrequency:Detection Range:200~1500 mDetection Angle:360 degreesSupport Band:X, K, Ku, Ka, Laser, VG-2X-band:10.525GHz +/- 100MHzK-band:24.150GHz +/- 175MHzKu-band:13.450GHz +/- 125MHzKa-band:33.400GHz +/- 1300MHzLaser Beam:904mn +/- 33KMHzVG-2:11.150GHz +/- 175MHzWorking Voltage:12 V Package Include 1 x Radar detector1 x Car Charger1 x Non Slip Mat1x box