General description The Thermostat Lock Box with Key is designed to prevent tampering, damage, and unauthorized adjustments to your thermostat. It keeps your controllers safe from unwanted interference, helping you avoid high energy bills. This clear guard is suitable for various environments, including homes, offices, churches, schools, and industrial settings. Technical specifications Outer dimensions: 7.3 inches x 4.7 inches x 2.2 inches Inner dimensions: 7 inches x 4.5 inches x 2 inches Material: Plastic Color: Transparent Measurement allowed error: +/- 1-3 cm Installation Two installation methods: punching and nano glue Nano glue option allows for damage-free bonding, leaving no residue on walls Usage Includes 1 lock box, 2 keys, 4 screws, 4 expansion tubes, and 1 transparent glue Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.