Image Sensor: 1/3" Progressive Scan CMOS. Lens & Viewing Angle: HD Lens, 90 Degree. Day Night Mode: Auto change with IR-CUT removable. IR Distance: 10-15 meters^ Display Resolution: 1080P (1920*1080), H.264^ Battery: 2 x standard 18650 battery (Default is not the battery, must buy). Charging Mode: USB cable for loading PIR Human Sensing: Support. Induction Sensitivity: User adjustable^ Storage: Support TF card 128G (TF card defult is not included). Connection: Supports wireless network/AP hot spot connection. Smart Alarm: Support, Video talk- Remote video talk, IP66. Audio Input: Built-in high sensitivity microphone. Audio Output: Built-in high-power speakers. APP : ICSEE PRO .