TY9 Mini USB Night Vision WiFi Camera Price in Bangladesh. This TY9 Mini USB Wi-Fi hidden camera has a 180-degree viewing angle and it has a plug-and-play infrared night vision support that can clearly monitor people in the dark night. This TY9 miniature camera supports WiFi so you can manage real-time video transmission remotely via smartphone. Supports motion detection alarms, which can send information to your phone when motion detection occurs. A TF card will support memory cards up to 32GB for storing images.