Wifi: 5DB built-in antenna. Support two-way voice calls, equipped with 87 high-definition lens, wider and clearer field of view. Network Interface : Wi-Fi/802.11/b/g（2.4GHZ）、5GHZ. It can be monitored by "turning the head", the real eye-viewing six-way, left and right horizontal 355 ° up and down vertical 90 °.
eBay