Topvico Water Leak Sensor Detector Flood Alarm for Basement RV Moisture 120dB Work Alone Battery Operated 3 Packs

120dB loud alarm voice, keep alarm to notice you or neighbors until the water dry or sensor turn off (easy to hear the alarm coming from the basement), low cost and effective water leak alarm to prevent water damage at your house and business
High sensitive 24k plating detect board, repeated use after dry the board (in case you no need high sensitivity, please try “B0BYHS79W5” with an identical cost)
Upgrade to our double-sided paster / sticker for simple installation anywhere. Big part is for the host and the small part is for the water detection board. Good for install in RV, fixed well with stickers, not move when driving. There are two fixing styles optional for the detect board, as shown within the description photo. Make a choice from two fixing styles in accordance with your needs.
37.8 inches cable, easy extend more than 150 ft. of wire by user (normal electric wire to be had, not include), detect water anywhere corner (good for detecting when the sump pump has reached a high water level), suit for basement, heater leak, underground, washing machine, kitchen, sump pump overflow, RV, and so forth
Supply by 9V battery (not include, suggest use brand Alkaline battery), battery life will likely be about 12 months for normal use (low quality battery about 6 months, very high frequency alarm or testing, battery life will likely be shorter)