Need Russian manual please download: https://eyun.360.cn/surl_yj44f69cPR9 Нужно русское руководство скачать: https://eyun.360.cn/surl_yj44f69cPR9 Main Features: ·2.4Ghz digital wireless transmission ·High sensitivity ·Belt clip on parent unit and battery operated increases the portability ·Crystal Clear voice(Voice activation function so as to save power.) ·Two way intercom communications battery power with AAA size 1.5V alkaline for each unit(6pcs are required,but batteries are not included) Position the transmitter at a distance of about 10-20cm from the baby. A clip on the rear of the receiver unit plus battery operation increases portability. Tips: *_This baby monitor is two-way intercom communication, you can talk and hear baby's voice, and also baby can talk and hear your voice. *_The package has no batteries,you need buy batteries. *_Note: USB cable can not charge batteries, usb can not instead of the charger. *_This product does not work with rechargeable batteries, but it can work with AAA 1.5 V dry batteries. *_Some buyer said that this product consumes electricity very fast, so in order not to use new disposable batteries every time, you can use USB to connect the an external power type "power bank". *_ If you want to hear a enough loud sound. The baby unit should be put at 10-20cm distance from the baby, and parents unit should be put no more than 30cm distance from parents.
Packing list: Parents Unit:X1pcs(not include batteries) Baby Unit:X1pcs(not include batteries) Power supply:X2pcs USB cable Instructions :X1pcs Boxed