Doorbell Smart Home Remote Control Waterproof

Self-powered, no battery button, no need to install batteries.After pressing, the kinetic energy is converted into electric energy, which is energy-saving and friendly, which is more convenient.Really waterproof, don't worry about using it for a long time in heavy rain.It will not heat up after being inserted for a long time. Security is higher.the receiver into the socket ， Press the button on the exterior wall to remind.Music: 36 pieces of musicPower supply voltage: 4.5 (V)Power consumption: 2 (W)Working radio frequency 433.92MHzWorking voltage: 2x1.5V AA batteryScope 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.

• Self-powered, no battery button, no need to install batteries.
• After pressing, the kinetic energy is converted into electric energy, which is energy-saving and friendly, which is more convenient.
• Really waterproof, don't worry about using it for a long time in heavy rain.
• It will not heat up after being inserted for a long time. Security is higher.
• the receiver into the socket ， Press the button on the exterior wall to remind.
• 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.