Твин снеговик беспроводной дверной звонок крик ребенка детектор

Specification: Twin Snowman Wireless Doorbell Baby Cry Detector 1) Wireless Lovely Twin Snowman in Pair. 1 Receiver & 1 Transmitter 2) Completely wireless operation - No wires or cables required 3) Wireless Doorbell is easy to install with cord strip! Install two AAA batteries for Receiver and transmitter, move the switch to "1" and "2"("0" on Transmitter is OFF,"1" is low detecting sensitivity,"2" is high detecting sensitivity, "0" on receiver is OFF, "1" is low volume, "2" is high volume). 4) Transmitter/Doorbell Button with the same model. 5) Place the Doorbell Chimes near baby, the receiver can be placed or carried within the range of wireless signal receiving (the detecting light would twinkle every 5 seconds), in view of electricity saving and the possible effect of wireless to baby, you can switch "Test ON" to "Test OFF" to turn off the test signal which won't be sent until the baby cries. Once the baby cry or other noise occurs, the receiver may start to make electronic crying noise. 6) Dimensions of each Snowman is approx. 9.5 x 7.3 x 3.6cm 7) Weight: 179g