Doorbell 2-to-2 Waterproof Button Electronic Mini Pager Dingdong Machine

Press the button and the kinetic energy is converted into electrical energy. Don't worry about the battery running out of powerPress different buttons, and the receiver will emit different melodies. It is convenient to know which door has visitors comingVery eye-catching lights, very suitable for the elderly or deaf-muteThe actual use distance is suitable for most familiesrich melodies, giving the family a more beautiful environmentPower supply method: cable powered onPower supply voltage: 5 (V)Ringtone: 38Power consumption: 0.2 (WSize: As shownType: doorbellThe ringtone and volume can be adjusted to meet your original needs. No longer have to worry about not being able to hear the sound or hearing the sound too loud.

• Press the button and the kinetic energy is converted into electrical energy. Don't worry about the battery running out of power
• Press different buttons, and the receiver will emit different melodies. It is convenient to know which door has visitors coming
• Very eye-catching lights, very suitable for the elderly or deaf-mute
• The actual use distance is suitable for most families
• rich melodies, giving the family a more beautiful environment
• When a visitor presses the doorbell, your phone will receive a notification (you can see, hear, and talk to anyone at the door, and you can even remotely unlock it through the app from anywhere.