walmeck Portable 2.4GHz Wireless Digital Audio Baby One Way Talk Crystal Clear Baby Cry Detector Sensitive Transmission

Features:
2.4GHz digital wireless transmission. stable transmission signal. 
Built-in MIC and speaker for one-way audio . with nightlight function.
High sensitivity. crying voice is easy to be heard and to inform parents.
Adopt frequency hopping spread spectrun (FHSS). Anti-interference and sound clarity
Position at a distance of about 1.5-2.0 meters from baby.
Open space transmission up to 250M.

Specifications: 
Transmission Frequency: Ism 2400-2480MHz
Transmission : 17dBm
Modulation Type: FSK
Supply: Built-in battery
Operating Temperature : -10??~+60??
Storage Temperature: -40??~+70??
Material:
Baby Unit: 13 * 9.7 * 3.5cm
Parent Unit: 13 * 9.7 * 3.5cm
Package Size: 14 * 10.5 * 10cm / 5.5 * 4.1 * 3.9in
Package Weight: 212g / 7.5oz

Package List:
1 *
1 * Receiver
2 * Cable
1 * User Manual (English)2.4GHz digital wireless transmission. stable transmission signal.;Built-in MIC and speaker for two-way audio . with nightlight function.;High sensitivity. crying voice is easy to be heard and to inform parents.;Adopt frequency hopping spread spectrun (FHSS). Anti-interference and sound clarity.;Position at a distance of about 1.5-2.0 meters from baby.;Open space transmission up to 250M.