Miniature 900 MHz Wireless Camera with Microphone General Features: Receiving frequency: 902 ~ 928 MHz Video output: 75 ohms / 1Vp-p Audio output: 10,000 ohms / 200mVp-p Power Consumption: < 2W Built-in microphone Full motion real time color video with no delay Camera runs on 9-volt battery or AC adapter (battery not included) Composite video connections on receiver Tuning knob on receiver to fine tune the picture Receiver can lay flat or mount on a wall Camera Dimensions: 0.75 x 0.75 x 0.50-inches (H x W x D, approximate) Regulatory Approvals: FCC CE