Description: Premium MaterialsThe thermostat lock box with transparent lid is made of premium transparent acrylic material, which is UV resistant, prevents yellowing, and looks clean and beautiful. Effective ProtectionThe lockable thermostat guard is perfect for air conditioning and heat control,which can sees your device clearly while preventing anyone from tampering. For Most ThermostatsThe outer diameter of this thermostat lock box with transparent lid is 7.3x4.7x2.2inch and the inner size is about 7 x 4.5 x 2inch. It& 039;s fits for most models of thermostats on the market. 2 Installation MethodsThe lock box for the thermostat has perforated and non-perforated installation methods, if you don& 039;t want to hurt your smooth wall, you can choose glue to install,which is easier to install. Suitable OccasionsIt can be used in household, office, school, church, business area, and other places to protect your controller and prevent frequent modifications from causing damage to the thermostat. Specification: Material: acrylic(thermostat lock box with transparent lid), styrene(thermostat lock box with yellow lid) Color: transparent Feature: universal, transparent Size(approx.): thermostat lock box with transparent lid: inner(L x W x H)17.78 x 11.43 x 5.08cm/7 x 4.5 x 2inch outer(L x W x H)18.54 x 11.94 x 5.59cm/7.3 x 4.7 x 2.2inch thermostat lock box with yellow lid: (L x W x H)130 x 120 x 75mm/5.12 x 4.72 x 2.95inch Package Included: Transparent Lid Type) 1 PC x Thermostat Lock Box 2 Pcs x Key (Yellow Lid Type) 1 PC x Thermostat Lock Box 1 PC x Key Note: 1. Due to the light and screen difference, the item& 039;s color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.