Uses the latest 360-degree technology, side and back, providing additional range. Full frequency flow velocity radar velocimeter Built in Chinese/English/Russian languages, capable of receiving X.K.KA.CT.LASER and other full frequency signals Advance speed measurement and warning distance of 200-800 meters (precise speed measurement of 300 meters) to driving safety Due to different batches, the appearance, color, and printed words of the product , which does not affect its use Material: plastic colour: A-Black Package Contents: 1 x radar detector 1 x car charger 1 x Anti- Mat 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.