> battery-powered version [...] $19.95 per month as well as a hard-wired option for commercial vehicles priced at $24.95 per month. from an older article "They

> battery-powered version [...] $19.95 per month as well as a hard-wired option for commercial vehicles priced at $24.95 per month. from an older article "They'll cost $699 for individual consumers, plus installation, as well as a monthly fee of about $7."