Fangrui Product Details Normal Mode: Approach The Foot Of The Bumper Sensing Area And Then Leave The Bumper Sensing Area. When This Action Is Completed, A Trigger Signal Will Be Generated. Abnormal Patterns: Stairs, Stones, Branches, Rough Roads, Plastic Bottles, Car Wash, Etc., No Trigger Signal Is Generated And High Quality Type: Car Kick Sensor Installation Notes: 1. Find The Proper Position On The Rear Guard Of The Vehicle. 2. Wipe The Installation Position Of The Sensor. 3. Peel Off The Double-sided Tape Of The Sensor (the Side Of The Double-sided Tape Is The Detection Surface) Facing The Ground 4. Connect The Sensor Firmly To The Rear Protective Plate (inside Of The Bumper)! The Sensing Surface Should Avoid Metal Objects Such As Iron And Aluminum. Second, After Power-on Test, Wait For 20 Seconds After Power-on. After The Product Self-test Is Completed, You Can Do Kicking Or Sweeping Movements Under The Sensor. 1. The Sensor Can Only Recognize One Action, Either Kick Once Or Sweep Once 2. After Each Action Is Completed,