Features

* Nice and delicate in appearance.

* Photoelectric sensor system can estimate the changes of around accurately.

* A sound of distinct pitch for using WTV series of voice chips.

* Plug-and-play design.

* Adjustable volume.

* You can change message or voice which inside by PC.

* Support online download.

* Standby mode, can save energy effectively.

* Provide battery 3 pcs.  

* Operating voltage: DC4.5V

* Static current: 8uA

* Operating current: 120mA

* Audio output：0.5W/8Ω（mono）

* Outside size：110mm×75mm×23mm（l × w × h）

* sensor distance：≤5m