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Easy to InstallThe sensor and receiver are paired already, all you need to do is attach the transmitter, plug the receiver into any standard outlet, pick a tone you like and here we go.Built to LastWith one standard household AAA battery in equipment and design of UltraLowPower, the sensor can easily last 12 years. which allows battery to be replaced less often, save your time and money.A MustHave500FT reliable long working range, perfect entry alert chime when door opens for home and business. What about insecure front door, child safety gate, upstairs window, cabinet, basement door...you tell me.Mute to 120dB 58 unique long and short tones with 5 adjustable volume levels. The max volume 120dB is loud enough to be heard anywhere in the house, you will never miss out an alert. Prefer not to be disturbed Set it to mute.Reliable AftersalesOne Year Warranty Lifetime Friendly Service. We started to make security products since 2004, so we have confidence on the quality of every sold unit. We will never let you down, grab your door dinger now MORE DETAILS asin B09PH87MTJ audiblenoise 120 Decibels batterydescription AAA bestsellersrank 4,825 in Tools Home Improvement See Top 100 in Tools Home Improvement 5 in Door Bells Chimes brand METAK color Black compatibledevices Electrical Outlets controlmethod Touch customerreviews 4.5 4.5 out of 5 stars 2,014 4.5 out of 5 stars itemweight 0.29 Kilograms manufacturer metak co., ltd. manufacturerwarrantydescription 1 Year Warranty maximumrange 500 Feet mfrpartnumber DCM520x2D015x3B modelnumber DCM520x2D015x3B mountingtype Door Mount numberofbatteries 1 AAA batteries required. included powersource Battery Powered sensortechnology Contact Sensor unitcount 5.0 Count upc 619185937140
