Rugged Mobile DVR 1.Support 32G SD Card, 64G max 2.DC input 6-48V, 2 years warranty 3.PTZ Control High Definition ... Rugged Mobile DVR 3G GPS Support D1 Remote Control *Specification Item ... )3. Support D1 each Channel, PTZ Control, 3G remote monitoring4. Best after-sale service with 2 years warranty, lifetime maintaince5. Support ...