Key Specifications Special Features: Remote monitoring scheme: Broadcom/BK; Lens 0328: angle 125 degrees; Battery model: 1000 mA as standard, with a permanent life of 2-3 months; Power input: 5V-2A; Human body sensing: optional; Storage function: TF card (up to 64G); Voice system: two-way intercom/mobile phone remote prompt viewing; Recording range: 5m; Wireless connection: WIFI IEEE802.11b/g/n 2.4GHz, rf 433MHz; System support: Android 4.3 or ios 9.0 or above; USB interface: MICRO-MIC 5P/DC5V