BELLA-7 DOORBELL
– Infrared sensor wireless doorbell.
– Volume: 85db.
– Working Voltage: 4.5V DC 3xAAA (are not included).
– Sensor transmitter: 2 options, 1. play a sound among 36 available melodies, 2. welcome voice.
– Detection angle: 100o adjustable.
– Detection distance: 3-7m.
– White Color.