CentralAlert Baby Cry Monitor

Baby Sound Sensor CA-BX

Place the monitor near the baby, and when it detects crying, it will send a signal to the CA-360 to alert you.
It monitors the baby in real time - as soon as the baby stops crying, the CA-360 notification system stops. Minimizes unnecessary trips and alerts you when you are really needed. 

Sound sensitivity indicators gauge the level of crying and provide visual feedback.
Three microphone sensitivity settings. 

Operating range up to 200 ft depending on the configuration of the house.
Uses 2 AA alkaline batteries (not included) - battery life up to 10 months.
Weight 2 oz, Size 2.5 in x 3.8 in x 1 in

One year warranty