Quantity   Component name
1 × Video glasses A cheap pair of video glasses, ours were douself from amazon
1 × Wireless RCA set (Amazon) http://www.amazon.co.uk/Wireless-Transmitter-Receiver-Reversing-Monitor-Black/dp/B00A645668
1 × 2500mAh Li-Po battery (Pimoroni) http://shop.pimoroni.com/products/lithium-ion-polymer-battery-3-7v
1 × Li-Po battery charger (Pimoroni) http://shop.pimoroni.com/products/adafruit-micro-lipo-usb-liion-lipoly-charger-v1
2 × Li-Po to 5V boost circuits (Pimoroni) http://shop.pimoroni.com/products/adafruit-powerboost-500-basic-5v-usb-boost-500ma-from-1-8v