Voice warning,Easy installation and control, available for installation and use. Ultra performance, provides advanced warning with extra detection range;Leading you to drive safely and avoid traffic fine X-BAND 10525 +/- 50MHz;spided K-BAND 24150 +/- 100MHz spided KU-BAND 13450 +/- 50MHz;spided KA-BAND 34700 +/- 1300MHz La: 800-1100NM Anti anti VG2 11150 +/- 175MHz CT: 24150MHz Specification: Product Name:Radar Detector Voice Alert Type: Radar Speedometer Applicable models: Universal Power supply voltage: 12V (V) Probe: 2 (pieces) Alarm prompt: yes Detection range: 500-800m Reminder type: Voice Working temperature: -20-80 ( Celsius) colour: black Material: ABS size: 12x10x8cm Package Contents: 2 x Radar Detector Voice Alert 2 x Car charger 2 x Non-slip mat 2 x User manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.