Introducing our reliable wirele doorbell Ringer that delivers a long-lasting performance with a wide range. With multiple ringtones, stick the receiver on the wall and enjoy its wide applications.Specifications:Product name: Wirele DoorbellMaterial: ABS+electronic componentsProduct size:Transmitter: 7.7*4.6*2cm | 3.03*1.81*0.79inReceiver: 9*5.6*2.3cm | 3.54*2.20*0.91inRemote control distance: 300m | 985ftPower supply: 3 AAA batteries (not included in the product)/USB charging (charging cable not included in the product)Features:Super long distance, simple installationApplicable: Home, office, claroom, etc.Product List:1 Set * Wirele Doorbell1* Transmitter1* ReceiverNotes:Due to different lighting and screen settings, the product color may be slightly different from the picture.Due to the difference in manual measurement, please allow a 1-3cm difference in size. See more product details1.Strong Connectivity: Experience uninterrupted doorbell coverage with our Wirele Doorbell's exceptional signal transmiion. Enjoy a reliable and extended wirele range of up to 985ft, including strong signal penetration through walls.2.Various Ringtones: The Wirele Doorbell delivers 60 tunes to choose from and features 5 adjustable volume tones ranging from 0 to 105 dB. You can choose the perfect music volume that suits your preferences and environment.3.Long-lasting Battery Life: No need to worry about frequent battery replacements with this Wirele Doorbell. It has a large-capacity battery that can last for a long time with a single charge. You can easily charge it with either 3 AAA batteries or a USB cable.4.Hale-Free Installation: Set up your Wirele Doorbell effortlely with no complicated tool requirements. Stick the receiver on the wall or place it anywhere and easily install the outdoor remote doorbell transmitter.5.Multiple Uses: By eliminating the need for wires or batteries, our Wirele Doorbell delivers practicality and easy installation for a variety of settings. From homes and villas to hotels, garages, shops, apartments, hospitals, and schools, you'll enjoy hale-free functionality.