eMastiff | EU US UK AU Plug Wireless Doorbell Door Chime Kit Welcome Chime Home Door Bell Intelligent 58 Songs Melodies Sound And LED

LED wireless doorbell light for your home By EMASTIFF Without 12V23A battery• 38 ringtones to choose from and 3-step volume control (0~85dB)• Eye-catching backlight flashes when someone pushes the doorbell. Particularly suitable for the elderly, deaf, and pregnant women• Uses machine-learning to prevent interference from other wireless transmitters• Designed to last up to 25 years• Working frequency: 433 MHz• Receiving distance: 300M(in open area)• Transmitter size: 75 x 51 x 20 mm Receiver size: 95 x 65 x 24 mm• Receivers Rated voltage : AC 110V-240V• The transmitter 12V23A battery factory pre-installed (battery not included)Reminders:1. The button cannot be placed on an iron door because it will interfere with the signal.2. Works during heavy rainfall. However, we recommend buying a waterproof cover for long term use.Showcase:Eye-catching backlight flashes when someone pushes the doorbell.Particularly suitable for the elderly, pregnant women, and the deaf. 300 meter receiving distance (In the open area)Stable quality is ideal for villas, hotels, schools and other areas.The wireless signal will be affected by obstacles. The more obstacles, the more serious the signal loss. 38 ringtones to choose from and 3-step volume control (0~85dB)Loud enough to be heard anywhere in your home High-quality ABS material1 volume button. 2 music button A variety of plug options, suitable for most countries (AC 110V-240V)1. EU plug 2.UK plug adapter 3.US plug adapter 4. AU plug adapter Two kinds of fixed buttons1. Double-sided adhesive 2. Screws fixedPackage Content:4PCS Receiver,2PCS Transmitter (Without 12v 23a battery)