Self-generating Doorbell AC Smart Manufacturer Without Battery

Press the button, the super learning code can freely learn and match, and can match the receiver infinitely.The receiver distance is 300 meters (in areas) and may be affected by the environment and obstacles.Automatically save the selected ringtone after shutdown.Flexible design, easy installation, no need for wiring, cost-effective, and easy to move.Built in stereo speakers, especially suitable for office buildings, residential buildings, factories, tourism and other places.Power supply method: ACPower supply method: ACPower supply mode: DDC ACPower supply voltage: 4.5V/220V (V)Ringtone: 36Power consumption: 0.2 (W)Scope of application: Household useType: DoorbellSize: As shown in the picturePacking listDoor bell * 1The 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, the super learning code can freely learn and match, and can match the receiver infinitely.
• The receiver distance is 300 meters (in areas) and may be affected by the environment and obstacles.
• Automatically save the selected ringtone after shutdown.
• Flexible design, easy installation, no need for wiring, cost-effective, and easy to move.
• Built in stereo speakers, especially suitable for office buildings, residential buildings, factories, tourism and other places.
• Power supply method: AC
• 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.