Swann SWA43-D6C12 Digital Wireless Camera and 4 Channel SD Recorder Clear video picture & better sound, every time Zero interference from Bluetooth, web routers, microwave ovens, cordless phones & is truly Wi-Fi friendly Guaranteed 100% privacy from a secure, encrypted point-to-point signal Easily record over 3 hours continuous footage to 2GB SD card (can use up to 32GB for over 2 days continuous recording Protect the people you care about & your property with motion triggered video recording