Voice warning, easy installation and control, available for independent installation and use. Ultra performance provides advanced warning with extended detection range, helping you drive safely and avoid traffic fines. X-BAND 10525 +/- 50MHz; K-BAND 24150 +/- 100MHz KU-BAND 13450 +/- 50MHz; KA-BAND 34700 +/- 1300MHz 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 to 80C Color: Black Material: ABS Size: 12 x 10 x 8 cm Package Contents: 1 x Radar Detector Voice Alert 1 x Car charger 1 x Non-slip mat 1 x User manual Note: Light shooting and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowed error is +/- 1-3 cm.