1.High-definition lens, one machine with three images, two-way voice intercom;. Shutter: 1/3s ~ 1/100,000s. Lens: 4.0mm_F1.6, Field of view: 110 °±5 ° ; 4.0mm_F1.6, Field of view: 110 °±5 °. Communication interface: Wi-Fi wireless transmission (support IEEE802.11b/g/n wireless protocol) support 2.4GHz.
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