Venstar Locking Cover for Slimline Thermostats</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>This Locking Ring prevents the front door on a Venstar Platinum thermostats from being opened by unauthorized users.</li><li>5-second installation for lockbox security without the ugly box</li><li>Compatible with T2700， T2800， and T2900 Platinum Commercial series thermostats</li><li>Enables total lockdown or limited adjustment</li><li>Secure keyed lock</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/318oYkDxt1L.jpg' noproxy></br>