Functions: To choose flashing or not when open the door; To lock the door or not when step on brake; To check door switch signal or not; Set sensor mode; Set time of unlock signal output; Set times of unlock signal output; Auto window up; Advantage: Adopts Japanese technology and RFID chip; Can be installed without damage original circuit, easy to install, stable and reliable; Low power consumption; Start current: <0.6mA; With auto energy-saving mode to avoid too large standby current; Generally, sensor battery can use for one and a half year; Can alarm and indicate without extra speaker; Smart rolling codes is as much as ten billions, avoiding copy of code; 3D antenna design, can sense accurately and stably; Sensing range: 2~7m; Integrated IC design can avoid circuit burning; With protection of short, over voltage, over current and high temperature; The IC can use for more than 10 years, greater than Mos.