Wireless doorbell kit, install battery-operated transmitter outside using adhesive mounting tape or screws, receiver chime unit plugs into the wall; maximum effective range 325 ft. Use as a residential or business doorbell, or home paging device. Select from 38 tunes, from the standard sound to any several well-known and fun melodies, volume adjusts to 4 settings Blue LED flashes when someone is at the door. Super efficient eco power management reduces power consumption Smart design and simple controls are designed for easy installation and operation, mounting the transmitter takes only a minute. Doorbell transmitter unit is weather, temperature, and water resistant for optimal outdoor performance. Batteries and screws are not included.
Features:

• Distance: The wireless distance achieve 100m, better materials keep stable transmitting range
• Practical: Easy installation, convenient,with double-side stickers at the back of the remote button, also you can use screw to fix it. It is easy to DIY. Indoor unit and outdoor unit can be freely matched. Super power-saving mode
• Push button: IP44 Waterproof design
• Stability: Guarantee quality. Products adopt excellent inner materials that keeps itself from getting higher temperature & interference
• Volume: 4 levels adjustable from 50 db to 80db

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