Attention: Welcome to my shop! We ship the product from China, the delivery time is 7-14 days!Feature:100% Brand new and high qualityA must have item for families with babiesA perfect design for mothers, nannies & their babiesHelps enhancing children safetyA practical addition for every babies or young children' s bed roomPlace the transmitter beside the baby to capture any soundNo wires or cables are required, easy operation & almost no installationCompact in size & lightweight, can be carried aroundInstall 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).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.Material: PlasticColor: WhitePowered By: 4 x AAA Batteries (not included)Size Per Snowman: 9.5cm x 7.5cm x 3.6cm (approx)Quantity:1 set (Receiver and transmitter)Package includes:1 set x Baby Cry Detector