... 2. emergency alarm 3. back-stage command system 3G mini Mobile DVR Recorder Main Features:1. 3G CommunicationWCDMA/HSPA, 850/1900/2100MHz ... Memory CapacityTF Card storage, 8G( Standard ), 16G/32G optional for mini 3G Video Camera3. Support live recording, video, photograph and storage4 ... certificates.3.Our products are Police camera recorder, watch camera, HD China 3G DVR, pen camera and so on.4. For ...