Portable Vibrating Doorbell

Unique Feature of the Portable Pager Has 4 alerting modes with Ringtone Vibration, Ringtone Flashing Light, Ringtone Flashing Light Vibration, Ringtone alone, you can choose the mode according to your needs. Back clip type case, 3 x AAA batteries included, you can carry it with you at any time and receive reminders quickly (within 1 second).
Doorbell Transmitter With a reliable long range of 150mtrs, this doorbell transmitter is perfect for homes and businesses, alerting you in time when someone is at the door. With 4 ring tones for you to choose from and 5 levels of adjustable volume from silent to loud (0dB to 110dB), you don't have to worry about not hearing the door again. Battery is included.
Noiseless Vibration Alert Mode At night, you can choose Mode A/C, set the volume to mute, so that when someone is at the door, you can receive a vibration alert without waking up other family members. You can add more transmitters from a range of other Pushbutton, SOS or Motion Sensor Transmitters.