• Output harness supplies Constant, Accessories and Earth to device
• Up to 20 hours for 1-channel dashboard camera (forward-facing camera only) (2.9Wh)
• Up to 16 hours for 2-channel dashboard camera (front-facing and rear-facing camera) (3.5Wh)
• Fuse taps for easy wiring into fuse box
• Output harness supplies constant, accessories and earth to device

Removed from car as it was sold. 

Has both input and power wire.

might have to change fuse tap to suit your car but you can pick one up at any auto parts store.