Wow that is expensive. I'd bet a simple DIY system with a camera, Raspberry Pi, and a cellular modem would work good enough. In addition, a DIY system may not look "nice" enough to steal! LOL
Lets see:
- Raspberry pi: $35 (They now sell one for $10!)
- Camera board: $30
- Cellular modem board: ~$30
Hmm $95 beats their price by a lot! Still would have to pay for cellular service, and this setup would be a bit of a power draw and thus would work at campgrounds (and storage lots with 120V access).