Topvico Water Leak Sensor Detector Flood Alarm 120dB Work Alone Battery Operated 3 Packs

130db Loud Alarm Voice, Keep Alarm To Notice You Or Neighbors Until The Water Dry Or Sensor Turn Offhigh Sensitive 24k Plating Detect Board3m Double Side Paster For Easy Install Anywhere37.8 Inches Cable, Easy Extend By User, Detect Water Anywhere Cornersupply By 9v Battery (not Include), Battery Life Will Be About 12 Months For Normal Use (very High Frequency Alarm Or Testing, Battery Life Will Be Shorter) – 130db Loud Alarm Voice – High Sensitive Detect Board – 3m Double Side Paster For Easy Install – 37.8 Inches Cable, Easy Extend By User – Supply By 9v Battery (not Include), Battery Life Will Be About 12 Months For Normal Use (very High Frequency Alarm Or Testing, Battery Life Will Be Shorter)