HIGH PERFORMANCE & 2-in-1 DOORBELL: Not only serves as a wireless doorbell to remind visitors coming, but also turns into a caregiver pager, with a lanyard, for special populations; can purchase a single bitiwend push button or receivers to be paired and combined at will; a superb product given to your relatives, friends and clients at the festival

UNIQUE & SIMPLE APPEARANCE DESIGN: Mysterious black is not only low-key and beautiful but also stain-resistant; our doorbell adopts the optimal ABS material as well as high-quality speaker; IP55 dustproof and waterproof; working temperature ranges from -4 ℉ -140 ℉; withstands various harsh weather conditions; The battery life of push button boasts 3 year maximum lifespan

LIFETIME WARRANTY: Bitiwend wireless door bell is a brand after years of independent R&D and approved by FCC, CE, RoHS and other certificates; our customers can be provided with 30-day money-back guarantee, lifetime warranty and passionate after-sales service team from the date of purchase; can contact us at any time in case of any problem

4 VOLUME ADJUSTMENTS: We scientifically devise 4 levels of volume adjustments according to different environments; at the lowest dB level, the feeble chime not only leaves resting children alone but also makes adults hear the doorbell ringing sound from a visitor, so as to never miss any visitor

52 MUSIC CHIMES & 1000Ft WIRELESS RANGE: Such substantial chimes and 1000Ft transmission range make our doorbell Chime apply to various occasions, such as classroom, shop, hospital, hotel, Christmas Day, birthday and so forth