Wireless Doorbell, PHYSEN Waterproof Door Chime 2 Push Buttons and 4 Plug in Receivers with Blue Flash Light, 4 Adjustable Volume Levels, 52 Melodies to Choose, Fit for Home/Office/Store

• 【Wireless Doorbell with 2 Waterproof Push Buttons and 4 Plug-in Receivers】-Simple Design and High Quality Doorbell,Widely Used in Home,Store,Office,Apartments,Villas,Garden,etc.
• 【58 Different Chimes&5 Volume Levels-Much Louder】-5 Adjustable Volume Levels from 0 dB to 110 dB to suit your different needs;58 different Chimes allow you to change the ring tones freely.And you can also set your favourite ring tone for the specific door button, then you can know which door someone is visiting.
• 【Blue LED Flashing Light Signal】-Take care of the elderly and hearing impaired person.This doorbell can also help some patients or old people who are not easy to move,when they need help,just easily push the button to inform their family.
• 【Operating Distance Up to 300M Range】-The Operating Range between Transmitter and Receiver is up to 300 meters(1000 feet) in open area.Which ensures that you will never miss any visitors even if you are in a big house with several rooms.
• 【Easy to Install】-No Need Batteries for Receivers,Just plug the Receiver into the electrical outlet is OK.And Push button can be fixed on the door frame with screws,or attached double-sided adhesive tapes.Quality guaranteed,all our doorbell passed the CE,RoHS,FCC Certified.

Tips: Please do not install transmitter on metal doors since metal is not easy to transmit the signal Specifications: Voltage of Receiver: 220V Sound Volume: 25-100dB,4 levels Working frequency: 433.92MHZ Wireless distance:1000 feet in open air Working temperature: -30℃-70℃ Easy Installation,No requirement for wiring Just plug receivers into the electrical outlet (no batteries required for main receiver) and use double sided adhesive or screws to install the push button. Pairing Instruction Push button is freely match with receiver and vice versa. You can program each transmitter creates a different tone in the receiver or each receiver sets their tones separately. 1)Press music button to choose your favorite music; 2)After you choose the music then long press receiver volume button for about 5-7 seconds until you can hear receiver "ding" and the blue light will be flashed which mean receiver get into pairing mode. 3)when the blue light flashing you should "immediately" press transmitter to pair with receiver(Since receiver will exit pairing mode automatically if it doesn't get signal from transmitter in 5 seconds,so you should immediately press transmitter to pair with the receiver). You will hear the tune you selected, which means that your operation is completed successfully. Then on this receiver to select another song for the back door and do the same way make it pair with a new one transmitter. Package include: 2pcs Push Buttons 4pcs Plug-In Receivers