Key Specifications/Special Features:

App function WiFi doorbell with 18650 battery operate   Function: *HD720P image ultra-low power consumption design *Quick access via app (automatically wakes up within 3 seconds)     *Respond to users access demands within 1 second *6pcs IR LEDs, D/N mode auto switch by light sensor    *App supports iOS & Android, supports 2-way audio with noise cancellation    *PIR motion detect alarm *Cloud storage function *Supports max 32GB TF card(save video recording) *Battery and easy charged by USB *Easy installation (no need any cable), a just WiFi connection *18650 battery operate *Surface mounted to install.