The parking is a must-have for driver. With its precise sensors and real voice , it provides intuitive and safer parking experience. The parking sensor is reliable, effectively eliminating blind spots and improving the safety of reverse parking. Features -Color:Black -Material:Plastic -Size:10.00X2.50X2.00cm/3.93X0.98X0.79in -Size:10.00X6.00X1.80cm/3.93X2.36X0.71in -Size:2.90X1.80X1.80cm/1.14X0.71X0.71in -Power supply voltage: 12V -Power: 2 (W) -Detecting range: 0.4~2.5 meters -Working temperature: -30~70 ( degree centigrade) -The real voice of the reverse parking alarm system provide clear and intuitive instructions for parking. -The sensors reverse kit provide comprehensive coverage, eliminating blind spots and ensuring safe parking. -The reverse keeps you alert and prevents collisions, providing an extra layer of safety. -The reverse is designed for simple installation in various car models, making it convenient and quick to use. -The high-precision sensors ensure accurate distance detecting, allowing for precise parking maneuvers. Package list: 4 1 screen 1 x alarm