SANZUCO Doorbells Hands Free Wireless Doorbell Intercom Upgrade Waterproof Full Duplex Door Bell 1000 Feet Two Way Communication with 4 Chimes 8 Level Volume LED Flash Black

Simple to Use We have prepaired doorbells ready to be used out of the box Install doorbell transmitters wherever you want Enjoy our two way intercom wireless doorbell for the first time after fully charging the Door Bell Full Duplex Doorbell Our full duplex intercom doorbell is super easy to use and ideal for any occasion such as a house apartment office classroom warehouse etc Guests outside the door ring the doorbell and the receiver only needs to press the answer button once to enjoy real time two way hands free communication You can get to know the visitors through conversation which is convenient for the elderly High Quality Sound SANZUCO wireless doorbell has 8 adjustable volumes which can change the ringtone volume and voice volume Intercom doorbell volume sound is loud enough to make sure that you can hear the door bell rings in any place of your house office classroom and the stereo speaker produces rich and crisp sound to support real time two way communication Long Range Doorbell This wireless remote control doorbell adopts highfrequency electrical technology and frequency modulation signal protocol to provide strong antiinterference protection and multisignal pairing Customize your 4 doorbell chimes our doorbells can reach up to 1000 feet and operate at temperatures between 4 F and 140 F This wireless doorbell also features IP55 waterproof and LED lights Doorbell Strong Battery Wireless doorbell is powered by a rechargeable lithium battery When the battery is low the doorbell receiver will sound a voice prompt to tell you which unit needs to be charged The upgraded receiving battery lasts 12 days on a full charge and the Door Bell transmitter battery can be used for 4 months on a full charge.