#A 1/2x Receivers+1x Transmitter

Features:
【Personalize】：All receivers will ring no matter which push button is pressed, but each door has a different tone, so you know where your guests are. If you want the push button and receiver to work one-to-one, please try the steps in "How to clear the frequency and re-pair".
【Longer Range】：Up to 1000 Feet (300m) in the open air from the transmitter (150m if there are walls). Either you are occupied in the bedroom or at the kitchen, our wireless doorbell kit can remind you that someone is calling from outside. Never worry about missing visitors.
【60 Melodies & 5 Levels Volume & LED Flash】：The wireless doorbell offers a wide selection of 60 tunes for your choice. 5-level of volume range from 0dB to 110dB, silent mode with just LED flash is available when you don't want to be disturbed.
【IP44 waterproof】：The doorbell push button is rated IP44 and weatherproof for outdoor use,the doorbell chime is suitable for any home, townhouse, apartment, office, school, hospital, hotel or other application. Our wireless doorbell is certified by CE, RoHs, FCC.
【Expandable and Easy Installation】：Expand your existing doorbell system with up to 8 transmitters and unlimited receivers. Simply plug the main doorbell chime into a wall outlet, install the push button with provided double sided tape or screws.

Specification:

Maximum 1000ft operating range in open area
38 unique ringtones
3 volume levels
LED indicators
Volume range: 25 to 80dB
Dimension: Receiver: 2.56 x 3.74 x 0.94 inch; Transmitter: 2.01 x 2.95 x 0.79 inch;

Package Includes:

1-2x Receivers(please choose the qty you need)
1x Transmitter
Tapes / Screws / Stickers

#B 1/2x Receivers+1x Transmitter

Feature:

300m/1000ft Operating Range

With this wireless doorbell operating range up to 300m/1000ft, no matter where you are, you will never miss the visitor. You can smartly add up to 20 same plug-in doorbell receivers and doorbell battery-operated transmitters.

Blue LED Indicator

When pressing the wireless doorbell battery-operated transmitter, the blue indicator light on the wireless doorbell with 1/2 receivers will flash to remind you of the visitor's arrival. At the same time, the indicator light on the transmitter will remind visitors that the doorbell's receiver has sounded.

IP44 Dustproof & Waterproof

IP44 doorbell transmitter with a special dustproof & waterproof structure could work between -4 °F to 159 °F, can withstand extreme weather conditions. Enjoy the freedom to install it indoors, outdoor door frames, or in your garden.

Innovative Memory Function

With a smart storage function, this doorbell's wireless cordless plug-in receiver can remember your last tune and volume even if a power outage, no need to set it again every time.

10 Years Press Life

After smart testing, the doorbell plug-in wireless transmitter can be pressed 100,000 times. It needs to be pressed 25 times a day for normal household use and 91250 times a year, so it can be used for 10 years.

Easy to Install

1. Adhesive Patch Mounting: Use the included double-sided adhesive to stick the doorbell wireless cordless button on the wall.

2. Screw Mounting: There is a screw groove on the back cover of the doorbell battery-operated button, you can use the attached screws to fix it on the wall.

Widely Use

The plug-in door chime and cordless doorbell button are very popular because of their easy-to-install and set up function. You could install it anywhere inside, house, garden, garage, office, etc.

Warm Tips:

1. Please tear off the battery insulation film before use.

2. Do not stick the doorbell wireless transmitter on the metal door frame or metal object.

Pacakge Includes:

Option 1：

1*Transmitter (includes 1*23A,12V battery)

2*Receiver

Option 2 :

1*Transmitter (includes 1*23A, 12V battery)

1*Receiver

#C 1/2x Receivers+1x Transmitter

Feature:

Classic Wireless Doorbell - Stylish modern design, artful with simplicity, elegant and unique. Excellent materials keeps itself from getting higher temperature & interference. Waterproof & Dustproof, remote transmitter button is rated IP44 weatherproof. Works between -4 °F to 140 °F; withstands various harsh weather conditions, acceptable for outdoor use.

Long Operating Range - Operating range up to 1,000ft/300m in open area ensures you to hear the bell and answer the door in time. Either you are occupied a few rooms away or on another floor, in the garden or kitchen, you will always be easily informed when someone is calling from outside, nsures you will never miss a visitor.

36 Melodies & Adjustable Volume - The wireless doorbell offers a wide selection of 36 chimes for your personal taste, you can have a Christmas doorbell during the christmas season, for example, and more.

4-level of volume range from 25dB to 110dB to meet your needs for different occasions. Flashing light with audio alert indicators which is easy for people including the hearing impaired to notice.

Easy Installation & Using - Screws and double-sided adhesive tapes included for easy be fixed to the doorframe of the transmitter. Easily plug receiver into an electrical outlet (no batteries required for main receiver). Install just plug it in location you need it to be heard, then you put the button where you want someone to push the button. Remembers your last melody and volume level after a power outage; no need to reset to your previous settings.

Multi Use - It is fit for home, apartment, classroom, office, villas and more. You can use our doorbells to train dogs, using it to quiet down classrooms, when you ring the bell, the students will know it’s time to move on to the next group, the kids are loving it also. And it can be a paging device for the elderly, can signal for care when they need it most.

Specifications:

Plugs into Any Standard Wall Outlet.
Flashing Light Indicator.
Wireless Range: 1000ft maximum in the open air
Internal Sounds: 36 Chimes
Volume: 4 level adjustable levels (25db to 85db)
Receiver Power: AC 110V ~ 220V 50Hz / 60Hz
Transmitter Power: 1 x 12V 23A battery

Package Includes:

1 X Push Button (Transmitter)
1 X Plugin Chime (Receiver)
2 X Screws
1 X Double-Sided Adhesive Tape
1 X 12V 23A battery for Transmitter