baby detector Baby Cry Sound Detector 668 Advantages: Can support 315 and 433 Frequency Receiver emit cry sound with remind when baby crying Descriptions two “AAA” for Receiver and Transmitter, Adjustable volume,”1” is low sensitivity, “2”is high sensitivity. “0” on receiver means OFF Transmitter is near baby, and place the Receiver to any locations LED lights will flash every 10sec in the distance of 80-100meters Where to use: Can be used for modern families which have small babies Why choose this product: It is good for baby caring, and safety It is easy to operate Competitive price Packing details Transmitter *1 Receiver *1 Blister + paper card /set , 75pcs /middle box , 150pcs/export carton