GREENCYCLE 3 Set Wireless Doorbell Door Open Chime, 1312ft Long Range, Adjustable Volume 48 Chimes with LED Flash Door Chime, IP 66 Waterproof Doorbell Button for Home Classroom Office Business

<b>Music to Your Ears</b> <br><br>48 kinds of ringtones can be selected, 5 kinds of volume can be adjusted (85 to 97 dB), you can choose what you need according to your needs. <br><br>Press the music button to select the ringtone you want, and switch one ringtone with each press. <br><br>Press the volume button to select the volume you want, the ringtone volume is 4,3, 2, 1, mute. and each press switches a level of volume. <br><br><b>Won't disturb the sleeping baby</b> <br><br>When the volume is adjusted to silent mode, only the light flash and no sound will be produced. It is very suitable for people who have babies sleeping or have hearing impairment. <br><br><b>Auto-sensing night light</b> <br><br>Please turn on the"light" button, It can became a LED night light at night. It will light up automatically in dark environments after you set this function, and lights dimmed automatically in bright environments. <br><br>If you don't need the nightlight function, you can trun off the button . <br><br><b>Long Operating Distance</b> <br><br>With a reliable wireless range of 1,000 feet and strong signal penetration, the doorbell will never fail to alert you when someone shows up at the door. Enjoy a reliable and hassle-free doorbell system at home, in factories, offices, classroom, apartment blocks, villas and other large areas. <br><br><b>IP66 Waterproof</b> <br><br>Mother Nature can be fierce. In order to withstand whatever the elements may throw at it, the transmitter has a high waterproof rating of IP66. Even heavy rain will not interrupt the operation of the robust transmitter while stationed outside. <br>The transmitter uses a 230 mAh CR2032 lithium battery which has an ultra long three-year lifespan, freeing you from the hassle of frequent battery purchases. Functional between -4 °F to 150 °F, its tough construction allows the doorbell to operate in even the harshest weather conditions. <br><br><b>Special ringtones for different door</b> <br><br>The doorbell can be DIY paired, one doorbell receiver can be paired with up to 32 pcs wireless push button, and set 32 different ringtones for each wireless push button,you can distinguish which door has a guest by different ringtones. <br><br><b>Memory Function</b> <br><br>Thanks to its smart memory function, every time you power on the device, it remembers your previous melody and volume level - even after a power outage. This thoughtful feature ensures your personal touch doesn't get removed.

• Wire free: No wireless in-wall installation , wireless doorbell is battery operated (Maxcell CR2032)for fast and easy use . Lifetime lasts 300,000 times .The portable wireless plug-in receiver plugs into any standard outlet.
• Ringtone :Provide 48 different options of ringtons , 4 volumes for adjustment, allow your wireless door and window entry alert system to meet any need.
• Built-in Led Indicator : With the built-in LED indicator, the wireless door alert receiver and sensor offer additional assistance when coupled with the receiver to the hearing impaired. Difficulty hearing is no problem with our wireless doorbell.
• Free style combo : Each receiver can be paired with up to 32 transmitters like magnetic sensor ,PIR motion sensor etc .Each transmitter can be paired with mutil-receivers.
• Easy install: With its simple wireless plug-in and double-sided tape, the wireless door and window chime sets up in seconds. It gives you the opportunity to spend your time elsewhere. All hardware is included, and ready to use.
• Wire free: No wireless in-wall installation , wireless doorbell is battery operated (Maxcell CR2032)for fast and easy use . Lifetime lasts 300,000 times .The portable wireless plug-in receiver plugs into any standard outlet.
• Ringtone :Provide 48 different options of ringtons , 4 volumes for adjustment, allow your wireless door and window entry alert system to meet any need.
• Built-in Led Indicator : With the built-in LED indicator, the wireless door alert receiver and sensor offer additional assistance when coupled with the receiver to the hearing impaired. Difficulty hearing is no problem with our wireless doorbell.
• Free style combo : Each receiver can be paired with up to 32 transmitters like magnetic sensor ,PIR motion sensor etc .Each transmitter can be paired with mutil-receivers.
• Easy install: With its simple wireless plug-in and double-sided tape, the wireless door and window chime sets up in seconds. It gives you the opportunity to spend your time elsewhere. All hardware is included, and ready to use.