The thermostat lock box with 4 keys can prevent tampering, damage, and unauthorized adjustment of thermostat settings. Keeping your controller away from annoying fingers can protect your thermostat from high costs. [Size] The house-type constant temperature box is suitable for most constant thermostats. The outer diameter of this thermostat lock box is 7.28 inches x 4.72 inches x 2.2 inches. The actual size is 6.5 inches H x 3.9 inches W X2 inches D. As long as the size is less than or equal to 6.5 inches H x 3.9 inches W X2 inches D, which fits all shapes of the thermostat. Please check the size before purchasing. [Easy to Install] The open thermostat protector allows installation without having to remove the thermostat from the wall. If you don't want to damage the wall, you can use nanohtin to paste (no residue), so your wall always looks like a new wall. [Material] Thermostat cover is made of high quality polycarbonate plastic. Very strong. It can also resist yellowing or