Check the listing for details. Thermostat Protective Box Medium Guard Clear Locking Case Anti Tamper UV Resist. Condition: New. Listed at 23.65 USD. Thermostat Protective Box Medium Guard Clear Locking Case Anti Tamper UV Resist Item detailed information:Clear plastic cover that resists yellowingIncludes universal key and heavy duty lock. Key lock with inner shelf to prevent tampering. Product size: WxHxD: 6.5 x 7.5 x 2.93 inchesProtects unwanted changes to AC/Heating preferred settings. The actual casing is chemical and UV resistant which allows users to deploy their cover all year round without the slightest concernProduct dims: 6.5H x 7.5W x 3 D inches; .8 lb, interior dims: 5H x 6W x 2.75D inches. Does not fit all thermostatsInstallation is nearly effortlessThe Guard will fit on all medium sized 6W x 5H x 1.75D inches or smallerMedium Thermostat Guard provides the ideal defense in preventing others from tampering with your heating and cooling options. An elevated peace of mind is established as users will no longer have to worry about any unauthorized access that may result with adjustments or damages. Installation is near effortless and the Guard will fit on all Medium Sized (6" W x 5" H x 1.75" D or smaller) Honeywell thermostats and a host of others. The actual casing is chemical and UV resistant which allows users to deploy their cover all year round without the slightest concern. A steadily constructed key and lock function will perform admirably as a versatile defense. Eliminate the thought of others having access to your personal thermostat with Honeywell's highly affordable and practical solution.The Honeywell Home CG511A Medium Thermostat Guard provides the ideal defense in preventing others from tampering with your heating and cooling options. An elevated peace of mind is established as users will no longer have to worry about any unauthorized access that may result with adjustments or damages. Installation is near effortless and the Guard will fit on all Medium Sized (6" W x 5" H x 1. 75" D or smaller) Honeywell thermostats and a host of others. The actual casing is chemical and UV resistant which allows users to deploy their cover all year round without the slightest concern. A steadily constructed key and lock function will perform admirably as a versatile defense.The CG511A Medium Sized Thermostat Guard protects thermostats from tampering in commercial and residential environments. Includes universal key and heavy duty lock. Installation is near effortless and the Guard will fit on all Medium Sized 6 Inch w x 5 Inch h x 1.75 Inch d or smaller Free Shipping: within the 48 U.S. statesShipment only to the lower 48 states. We do NOT ship to PO Boxes Returns: We offer a 30 day return policy from the receiving date. All items purchased must be returned in the same condition as they were delivered in. Items defective upon receipt must be packaged in their retail packaging as if new and returned with a detailed description of the problem.