Door Chime, METAK Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 1 Transmitter + 1 Plug-in ReceiverBrand: METAK Color: Black Features: 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 Ultra Low Power, the sensor can easily last 1 2 years. which allows battery to be replaced less often, save your time and money. A Must Have500FT

model number: BK-80D

T10 / T15 / T20 / T25 / T27 and T30

Whether you clip it on a backpack

saving time and energy Space

meet or exceed ANSI and DIN performance standards

but also has a certain elasticity

This feature adds an exciting visual element to the bounce balls and enhances the Halloween experience

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💡【Customize Scenes Energy Saving Light Bulbs】- Create your favorite light ambiance with 16 millions colors

Brand: Joseph Joseph

Lets your mouse slide smoothly and precisely along the large mousepad

【Smart Features】：Boost convenience with smart VOX mode (voice activated)