Keytroller's Cyberwatch SMS and Cyberwatch LAN comes as two wireless hour meters. They communicate through simple text commands from a cell phone, tablet or PC and the LAN connects through the Wi-Fi network in the facility. SMS has two hour meter inputs and LAN has four and easily install to any make or model vehicle or machine. GPS location recording is also on both models. SMS users simply click the GPS coordinates in the text response to view vehicle exact location. Both devices can monitor ignition on time (hours and minutes), over/under temperature, over/under hydraulic pressure, over/under speed, and more.