Door Chime METAK Wireless Door Open Contact Sensor Alarm with 500 FT Range 58 Chimes and 5 Volume Levels for BusinessStoreHomeOffice When Entering 5 Transmitters 2 Plugin Receivers

Easy to Install The 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 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 A MustHave 500FT 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 dooryou tell me Built to Last With 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 Reliable Aftersales One 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