Quantity 1 piece(s) Function Parking sensor CPU No Detecting Distance 0.3~2.5m Sensor Color Black Sensor Qty. 4 Sensor Diameter 2.5 cm Monitor Type LED Monitor Size 1" Working Voltage DC 12V Rated Current 50~150mA mA Ultrasonic Frequency 40KHz+/-1KHz KHz Alarm Volume 80 dB Working Temperature -40~80'C Other Features Working voltage: DC 12V; Working current: 50~150mA; Sensing distance: 30`250cm; Display distance: 30~250cm; Working temperature: -40~80'C; Ultrasonic frequency: 40KHz+/-1KHz; Supports MP3 player; FM frequency: 87.5~108.0MHz stepping: 0.1MHz; Supports TF card (128M~8G); 5 audio modes: natural classical rock soft and SRS; Remember frequency music and voice when power off; IR remote control; Three Bi.bi.bi sound indicating; 7-section LED RGB light indicate distance of obstacle; Probe abnormal indicating Packing List 1 x Parking sensor 1 x LED display (530cm) 1 x Cable (70cm) 4 x Probes (240cm cable) 1 x Remote control (1 x CR2025 battery) 1 x Sensor drill 2 x Dual-side adhesive tape 1 x English user manual