Home Security System 4 Pack, kofoho Wireless Door Bell, Window/ Door Sensors, Water Leak Sensor Detector and Battery-Operated Receiver Home Alarm System Kit for House Apartment Office


{3 transmitters connected to 1 receiver} The perfectly integrated home security system to protect your home.[1.Speaker Receiver] There are 30 kinds of dazzling bell, you can set different dazzling bell for each receiver according to preference. There are 5 volume adjustment levels, the highest volume 120 decibels, and there is a silent mode, use the range of 500 feet;3 x AA battery required (battery not included).[2.Door and window sensor] Whenever a door or window is opened, it will make a loud sound in the transmitter to ensure the safety of your home and raise awareness;2 x AAA battery required (battery not included).[3.Water Leak Sensor] 3M double side paster for easy install anywhere; 37.8 inches cable, high sensitive 24k plating detect board, easy extend by user, detect water anywhere corner, suit for basement water alarm, water heater leak, etc;2 x AAA battery required (battery not included).{4. Wireless Door Bell} 500 FT ULTRA Long Wireless Range: Will not interfere with other equipment in your home or those of your neighbors; ensures you will never miss a visitor, even if you are a few rooms away or on another floor Ultra-low power consumption; uses a CR2032 lithium battery that boasts 3-year maximum lifespan; IP55 dustproof and waterproof rating; works between -4 °F to 140 °F; withstands various harsh weather conditions;(CR2032 included)



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