Features: It controls the temperature with an NTC sensor placed externally. With 10K NTC sensor, additional 3m sensor cable included. With manual switch and knob for easy operation. Can fit into a standard single switch backbox. LED indicator is light when heating is on. Full Installation and Operation Instructions Included. Specifications: - Power supply: 220V 50/60HZ - Power consumption: 5W - Max. Current: 16A - Adjusting range: 0~40 - Differential per. tem.: 1 - Operating temperature: -5~60 - Degree of protection: IP20 - Housing material: self-extinguishing Polycarbonate (PC) - Floor sensor: NTC sensor 3m - Dimension: 86mm x 86mm x 49mm Package Included: 1 x Manual thermostat 1 x 3 meter sensor cable 2 x Mounting screws 1 x English user manual Note: Please confirm the fit item if it matches your models before you purchase. 1. Due to computer display colors differently, the color may vary slightly from the above images. Thanks for your understanding. 2. Manual measured, please allow 2-4mm error. 3. If you have any questions, please feel free to We will reply as soon as possible and help you solve.